Marketing executives for a certain chewing gum company projected a 20 percent increase in revenue this year over that of last year, but revenue this year actually decreased by 10%. What percent of the projected revenue was the actual revenue ? Answers:
A) 53 %
B) 58 %
C) 62.5 %
D) 64 %
E) 75 %

Rationale: "last year revenue = 100 ( assume ) ; this year revenue = 90 ; projected revenue = 120 . actual / projected * 100 = 90 / 120 * 100 = 75 % . answer : e ."
Answer: E