Answer:
Step-by-step explanation:
Let the cost price be = $ 100
Increased price = 100 * 30/100 = $30
Market price = 100 +30 = $130
Discount amount = 10% of 130 = 10/100 * 130 = $ 13
Price after discount = 130 - 13 = $ 117
Gain = 117 - 100 = 17
Gain = 17%