Let the cost price be (C).
Given that selling at ₹(P) gives a profit of (20%):
P = 1.2C
For the festive offer, the marked price is:
1.5P
A discount of (10%) is given, so actual selling price becomes:
1.5P×10090
= 1.35P
Now substitute (P = 1.2C):
Festive selling price=1.35×1.2C
=1.62C
Profit percentage:
C1.62C−C×100
=0.62×100
= 62%
Therefore, the retailer makes:
62% profit