A trade analyst announced 8% reduction in the unit price of bike. As a result, the sales volume went up by 20%. What was the net effect on the sales revenue?	Choose the correct option:
A) no change	B) decreases by 10.4%	C) increases by 10.4%	D) increases by 10%	E) None of these
Explanation :   Reduction of price = (100 -8)= 
<gadget id="calculator">(100 -8)</gadget>
<output>92</output>
92%= 0.92   Increase of sale = (100+20)= 
<gadget id="calculator">(100+20)</gadget>
<output>120</output>
120%= 1.20   Total effect = 0.92 X 1.20 = 110.4%, Increases by 10.4%   Answer : increases by 10.4%
<result>C</result>
A trade analyst announced 8% reduction in the unit price of bike. As a result, the sales volume went up by 20%. What was the net effect on the sales revenue?