Given: Amod purchased a pen for Rs. 860. He mark up the price by 30% and gives a discount of 10% while selling to Binod Concept Used: Effective change in percentage is obtained after adding successive percentage changes. Calculation: ⇒ CP of pen = Rs. 860 ⇒ SP of pen = 860 × 1.3 × 0.9 = Rs. 1006.2 ∴ effective profit percentage for Amod =(