A bank charges a fee of 0.5% per month for having a checking account. Stephani’s account has $325 in it. Which function models the balance of Stephani’s account, B(t), in dollars, as a function of time, t, in months? a: B(t) = 325(0.0995)t

b:B(t) = 325(0.005)t

c:B(t) = 0.05(325)t

d:B(t) = 325 + 12(0.005)t