A shopkeeper bought 150 calculators at the rate of 250 per calculator.He spent 2500 on transportation and packing. If the marked price of calculator is 320 per calculator and the shopkeeper gives a discount of 5% on the marked price then what will be the percentage profit gained by the shopkeeper? Pick one.
A) 20%  B) 14%  C) 15%  D) 16%  E) None of these
CP of 150 calculators = 150 × 250 = 37,500.   \ total CP = 37,500 + 2500 = 40,000   Marked price of 150 calculators = 150 × 320 = 48,000   Selling price after discount = 4800 × 95⁄100   = 45,600   \ Percentage profit = 45,600−40,000/40,000×100 = 14%   Answer 14%
<result>B</result>
A shopkeeper bought 150 calculators at the rate of 250 per calculator.He spent 2500 on transportation and packing. If the marked price of calculator is 320 per calculator and the shopkeeper gives a discount of 5% on the marked price then what will be the percentage profit gained by the shopkeeper?