If a product has a cost of $42.67 and a selling price of $63.33 , what is the markup rate? Round your answer to two decimal places.

A) 14.84%
B) 48.42%
C) 32.62%
D) 20.65%
E) 30.65%

Your current exam mean is 93.2.If you receive an 87 on the next exam,this will have the effect of ______.

A) increasing your mean
B) decreasing your mean
C) having no effect on your mean
D) cannot determine