A tradesman by means of his false balance defrauds to the extent of 20%? in buying goods as well as by selling the goods. What percent does he gain on his outlay?  Choose the correct choice:
A) 17%
B) 77%
C) 44%
D) 16%
E) 47%
g% = 20 + 20 + (20*20)/100= 
<gadget id="calculator">20 + 20 + (20*20)/100</gadget>
<output>44</output>
44%   Answer: 44%
<result>C</result>
A tradesman by means of his false balance defrauds to the extent of 20%? in buying goods as well as by selling the goods. What percent does he gain on his outlay?