Let $A = f(t)$ be the amount of money in an account, in dollars, $t$ months after an initial investment of $$2500$.

(a) Find a formula for $A$ given that it grows by $4$ % each month.
$A = f(t)=$ help (formulas)

(b) Find a formula for $A$ given that it grows by $20$ % every $5$ months.
$A = f(t)=$ help (formulas)

(c) Which scenario has the largest monthly percent growth rate?

A. Earning $20$ % every $5$ months.
B. Earning $4$ % every month.
C. They have the same monthly percent growth rate.