Example
Input: $100, 20% + 10%
Result: $72 (not $70)
Step-by-Step Guide
1. Price
Base.
2. Disc 1
First %.
3. Disc 2
Second %.
4. Final
Price.
What is Discount Stacking?
Sequential %, not additive.
How it Works
P * (1-d1) * (1-d2).
FAQ
Order?
Math is same either way.
Conclusion
20% off + 10% off is 28% off total, not 30%.