7. The function f(x) = 2,500(1.012)* represents the amount, in dollars, in a savings account after x years. Which statement is true?
A The account earns 0.12% interest per year.
B. The account earns 0.012% interest per year.
c. The initial amount in the account was $2,500.
D. The amount in the account increases by $2,500 each year.