A tradesman by means of his false balance defrauds to the extent of 30%? in buying goods as well as by selling the goods. What percent does he gain on his outlay?
Choose the correct choice from the following answers:
A) 79%	B) 58%	C) 44%	D) 69%	E) 43%
g% = 30 + 30 + (30*30)/100= 
<gadget id="calculator">30 + 30 + (30*30)/100</gadget>
<output>69</output>
69%   Answer: 69%
<result>D</result>
A tradesman by means of his false balance defrauds to the extent of 30%? in buying goods as well as by selling the goods. What percent does he gain on his outlay?