21.Find the cost of : (i) Rs. 7500, 8% stock at 90; A) 6750 B) 7750 C) 6000 D) 6700 View Answer Report DiscussAnswer: Option AExplanation:Cost of Rs. 100 stock = Rs. 90. Cost of Rs. 7500 stock = Rs.(90/100) x 7500=6750