Answer: 113% = 9153
100% = ?
100/113 X 9153 = 915300/113 = Rs 8100 = sale price
90 % = 8100
100% = ?
100/90 X 8100 = Rs 9000 = marked price
108% = 8100
100% = ?
100/108 X 8100 = Rs7500 = cost
Difference = 9000 -7500 = Rs 1500
1500/7500 X 100 = 20%
ANSWER Marked price is 20% above cost price
Explanation: