he amount, $A, in a Wells Fargo savings account satisfies the differential equation 1. interest rate = 4.7% dA dt 2. interest rate = 4.5% A. 100 3. interest rate = 4.6% Katy deposits $4000 in such a savings account. After 5 years she finds she has $5009.29 in the account. What interest rate is Wells Fargo paying on its savings accounts? @ 4. interest rate 4.4% 5. interest rate 5.5%