PLEASE ANSWER + BRAINLIEST !!

The equation y = 3000(1 + 0.03)^n is used to model the amount of money, y, in dollars, in a savings account after n years.

How would the equation be written if the interest rate had been 4% per year?

A. y = 3000(1 + 0.03)^4

B. y = 3000(4 + 0.03)^n

C. y = 3000(1 + 0.04)^n

D. y = 3000(1 + 0.04)^4