question_answer

Smith opens a saving deposit account in the bank. He deposits $ 2000.    The bank returns the total amount of earning in exponential equation. When Smith returns to the bank one day the bank clerk gives him this equation Multiply z to the original deposit; this is the amount of interest earned. If clerk adds amount of interest earned to the initial deposit then how much money is in Smith's saving deposit account?

A)  $2200

B)  $2500

C)  $3000

D)  $3500

E)  None of these