Find the amount in an account after 31 months IF: Interest Rate Compounded Initial Deposit years Amount after 31 months a. 7% Semiannually $3900 b. 2.1% Monthly $2750 c. 10% Quarterly $5000 d. 3.75% Continuously $6230 How long would it take the accounts above to triple? Interest Rate Compounded Initial Deposit -value to triple -value in context e. 7% Semiannually $3900 ___ yrs