Sam purchased 20 dozens of shirts at the rate of $ 375 per dozen. He sold each one of them at the rate of $ 33. What was his percentage profit? Choose the correct choice from the following:	A) 5%	B) 4.8%	C) 5.6%	D) 8.2%	E) 6%
C   5.6%   C.P. of 1 shirt = 375/12= 
<gadget id="calculator">375/12</gadget>
<output>125/4 = around 31.25</output>
$ 31.25   S.P of 1 shirt= $ 33   Profit = 1.75/31.25 * 100 = 28/5= 
<gadget id="calculator">28/5</gadget>
<output>28/5 = around 5.6</output>
5.6%
<result>C</result>
Sam purchased 20 dozens of shirts at the rate of $ 375 per dozen. He sold each one of them at the rate of $ 33. What was his percentage profit?