A corporation five times its annual bonus to 10 of its employees. What percent of the employees’ new bonus is the increase?  Choose the correct choice from the following choices:
A) 12%	B) 18%	C) 80%	D) 20%	E) 15%
Let the annual bonus be X.   A corporation triples its annual bonus.   So new bonus = 5X.   Increase = 5X-X =4X   The increase is what percent of the employees’ new bonus   = (4X/5X)*100   = 80%   Hence 80%.(4 /5 )*100= 
<gadget id="calculator">(4 /5 )*100</gadget>
<output>80</output>
80%   Hence 80%.
<result>C</result>
A corporation five times its annual bonus to 10 of its employees. What percent of the employees’ new bonus is the increase?