At the end of 4 years, how much money would you have in total if you invested $300 and earned 4.5% simple interest? A. $313.50 B. $318 C. $327.75 D. $354

The account balance for principal amount P accumulating simple interest at the rate r over time period t is given by ...

... A = P (1 + rt)

Fill in the given numbers and do the arithmetic.

... A = 300· (1 + 0.045·4) = 354

The appropriate choice is: D. $354