Contents
- 1 Discount Calculator — Simple, Stacked, Bulk & Cash Discounts
Discount Calculator — Simple, Stacked, Bulk & Cash Discounts
Calculate any kind of discount — simple %, multiple stacked, bulk quantity, or cash discount with annualised cost. Includes GST treatment.
Types of Discounts in Business
Discounts aren’t just promotional tactics — they’re strategic pricing tools used in retail, wholesale, and B2B contexts. Understanding different discount types helps you negotiate better deals, structure your business pricing, and avoid common mathematical traps.
| Discount Type | Purpose | Common Use |
|---|---|---|
| Trade Discount | From list price to wholesaler/retailer | MRP-based industries — pharma, FMCG, electronics |
| Cash Discount | Reward early payment (e.g., 2/10 net 30) | B2B transactions, accounts receivable management |
| Bulk / Quantity Discount | Reward larger orders | Wholesale, contract pricing, distributors |
| Seasonal Discount | Move inventory in off-season | Fashion (EOSS), AC during winter, woollens in summer |
| Festival / Promotional Discount | Drive sales during festivals | Diwali, Dussehra sales — Flipkart Big Billion, Amazon Great Indian |
| Multiple / Stacked Discount | Combine multiple offers (10% + 5%) | E-commerce, multi-tier loyalty programs |
| Coupon / Voucher Discount | Targeted to specific customers | App-only offers, first-time buyer codes |
| Volume Rebate | Annual cumulative discount paid retrospectively | B2B contracts with distributors |
The Trap: Multiple Discounts Don’t Add!
A common consumer mistake: thinking “20% off + extra 10% off” equals 30% off. Mathematically, sequential discounts multiply, not add.
| Headline | If They Added | What You Actually Get |
|---|---|---|
| 20% + 10% | 30% | 28% (₹10,000 → ₹8,000 → ₹7,200) |
| 30% + 20% | 50% | 44% (₹10,000 → ₹7,000 → ₹5,600) |
| 40% + 25% | 65% | 55% (₹10,000 → ₹6,000 → ₹4,500) |
| 50% + 50% | 100% (Free!) | 75% (₹10,000 → ₹5,000 → ₹2,500) |
| 10% + 10% + 10% | 30% | 27.1% (₹10,000 → ₹7,290) |
E-commerce platforms (Flipkart, Amazon, Myntra) often advertise stacked discounts — always calculate effective discount before celebrating.
Cash Discount & Effective Annual Rate
“2/10 net 30” means: 2% discount if paid within 10 days; otherwise full amount due in 30 days. Skipping a cash discount has a hidden annual cost — often shockingly high.
Why Skipping Cash Discount is Expensive
Formula: Effective Annual Rate = [Discount % / (1 − Discount %)] × [365 / (Net Days − Discount Days)]
| Terms | Cash Discount % | Effective Annual Rate |
|---|---|---|
| 2/10 net 30 | 2% | ~37.2% |
| 3/10 net 30 | 3% | ~56.4% |
| 2/10 net 45 | 2% | ~21.3% |
| 1/10 net 30 | 1% | ~18.4% |
| 2/15 net 30 | 2% | ~49.6% |
Implication: If you can borrow at < 37% annually (most businesses can — bank CC at 9-12%), it’s cheaper to borrow and take the cash discount than to delay payment. This is one of the highest-ROI cash management decisions for SMEs.
Trade Discount Mechanics (Indian MRP System)
India operates a unique MRP (Maximum Retail Price) regime under Legal Metrology Act, 2009. Manufacturers print MRP; retailers cannot exceed it. Trade discounts work backward from MRP:
| MRP printed on product | ₹100 |
| Retailer Margin (e.g., 25%) | ₹25 off → Retailer pays ₹75 |
| Distributor Margin (e.g., 10% on retailer price) | ₹7.50 off → Distributor pays ₹67.50 |
| Manufacturer’s Net Realization | ₹67.50 (excluding GST input) |
Higher MRP → more margin headroom for trade. Premium brands (HUL, ITC) keep margins tighter (10-15%); FMCG/pharma traditional brands offer 20-35% trade margins.
Discounts and GST — Important Rules
- Discount agreed BEFORE supply: Can be deducted from invoice value; GST charged on post-discount price. Must be linked to invoice.
- Volume/Year-End Discount via Credit Note: Permitted if (a) discount terms were agreed before supply, (b) ITC is reversed by recipient on supplier’s credit note. Otherwise GST on original full value.
- Post-Supply Discounts NOT linked to original agreement: Cannot reduce GST liability. Common error: ad-hoc settlement discounts don’t qualify for GST reduction.
- Free Samples / Buy-1-Get-1: Free supply is generally NOT a supply (no GST), but ITC on the freebie cost is reversible.
- Loyalty points redeemed for discount: Treated as discount when redeemed; original sale GST on full pre-discount value if loyalty terms weren’t pre-agreed.
Common Pricing/Discount Strategies
| Strategy | How It Works | Risk |
|---|---|---|
| Penetration Pricing | Heavy discount at launch to gain market share | Anchoring at low price; hard to raise later |
| Skimming | High price initially; discount slowly as time passes | Slow volume growth; copycats jump in |
| Bundling | Discount when buying multiple items together | Stocking out of bundled items frustrates buyers |
| Decoy Pricing | Mid-tier option made unattractive to push premium | Customers see through it |
| Charm Pricing (₹999 vs ₹1000) | Psychological perception of lower price | Overuse normalises the trick |
| BOGO (Buy One Get One) | Effective 50% discount; perceived as “free” → strong response | Devalues product perception |
| Time-Limited Flash Sale | Urgency drives quick decisions | Inventory mismatch; angry customers |
Frequently Asked Questions
Why don’t 20% + 10% equal 30%?
Because the second discount is applied to the reduced price, not the original. On ₹100: 20% off = ₹80, then 10% off ₹80 = ₹72 (28% total, not 30%). This compounding effect always makes stacked discounts less than the sum.
Is “Up to 80% off” misleading advertising?
Often, yes. ASCI (Advertising Standards Council of India) requires “up to X%” claims to have at least one product at that discount, with the average discount disclosed. Many e-commerce sites flout this. Always check actual product-level pricing.
What’s the difference between MRP and List Price?
MRP (Maximum Retail Price) is statutory under Legal Metrology Act — the maximum a retailer can charge a consumer. List Price is the manufacturer’s catalog price, often higher than MRP. Trade discounts work from MRP downward to factor in margins for retailers and distributors.
How is cash discount different from trade discount?
Trade discount is a deduction from list price for distributors/retailers (built into supply chain pricing). Cash discount is a reward for early payment, offered AFTER trade discount. Both can apply to the same transaction.
Why should businesses take cash discounts?
The effective annual rate of foregoing a 2/10 net 30 cash discount is ~37%. Unless you can earn >37% on the money for the extra 20 days, taking the discount (and borrowing if needed at 10-12%) is much cheaper.
Are loyalty point discounts taxable?
Earning points: Not taxable income (incentive, not income). Redeeming points: The discount on purchase is just a price reduction — not separately taxable. However, GST is charged on the post-discount (lower) price if the loyalty program terms were pre-agreed.
What is “No Cost EMI” really costing me?
“No Cost EMI” means no INTEREST charge — but processing fee + inflated product price often equals 5-12% effective cost. Brands typically inflate MRP for No-Cost EMI products. Compare cash price vs No-Cost EMI total — the difference is the hidden financing cost.
How does GST work on Buy-One-Get-One offers?
The “free” item isn’t really free — GST is charged on the consolidated price of the bundle. If you’re buying 2 items at ₹500 each with one free (total bill ₹500), GST is on ₹500. ITC on cost of the freebie isn’t reversed unless explicitly required.
Can I deduct trade discount before GST?
Yes, if discount terms are agreed BEFORE supply and indicated on the invoice. Volume/year-end discounts via credit note require the recipient to reverse proportionate ITC. Ad-hoc discounts post-supply don’t reduce GST liability.
Why are festive season discounts often shallower than they seem?
Many retailers raise MRP shortly before sales, then “discount” back to normal price. India’s “Big Billion Days” and Amazon Great Indian Sale do offer genuine savings on many items, but always price-check against historical lowest using sites like CashKaro, Honey, or Wayback Machine before celebrating.
What’s the math behind “Spend ₹X, Get ₹Y back”?
Effective discount = Y / X. So “Spend ₹2,000 get ₹500 back” = 25% effective discount. Compare with straight % discount offers to identify the better deal. Don’t overspend just to qualify — the “extra” purchase often costs more than the discount value.