A shopkeeper purchased 150 identical pieces of calculators at the rate of 250 each. He spent an amount of 2500 on transport and packing. He fixed the labelled price of each calculator at 320. However, he decided to give a discount of 5% on the labelled price. What is the percentage profit earned by him ?	Choose the correct answer.
A) 14 % B) 15 % C) 16 % D) 20 % E) None of these
C.P. of 150 calculators   = 150 × 250 + 2500 = 37500 + 2500= 
<gadget id="calculator">37500 + 2500</gadget>
<output>40_000</output>
40000   Labelled price of 150 calculators= 150 × 320 = 48000   Discount allowed = 5%   ∴ S.P. of 150 calculators   = 48000 – 5% = 45600   ∴ Profit % = 5600⁄40000 × 100 = 14   14 %nswer 14 %
<result>A</result>
A shopkeeper purchased 150 identical pieces of calculators at the rate of 250 each. He spent an amount of 2500 on transport and packing. He fixed the labelled price of each calculator at 320. However, he decided to give a discount of 5% on the labelled price. What is the percentage profit earned by him ?