A fair price shopkeeper takes 10% profit on his goods. He lost 20% goods during theft. His loss percent is:	Choose the most appropriate option:
A) 10%
B) 45%
C) 12%
D) 17%
E) 42%
C   Suppose he has 100 items. Let C.P. of each item be Re. 1.   Total cost = Rs. 100. Number of items left after theft = 80.   S.P. of each item = Rs. 1.10   Total sale = 1.10 * 80 = Rs. 88   Hence, loss % = 12/100 * 100= 
<gadget id="calculator">12/100 * 100</gadget>
<output>12</output>
12%
<result>C</result>
A fair price shopkeeper takes 10% profit on his goods. He lost 20% goods during theft. His loss percent is: