8. Given the following marginal cost estimates associated with obtaining additional interest-checking account funding: Market interest rate 0.3%, Servicing costs: 2.6% of balances Acquisition costs: 0.2% of balances Deposit insurance costs = 0.25% of balances Net investable balance = 85% (10% required reserves and 5% float) What is the estimated marginal cost of obtaining additional interest-checking balances?

8. Given the following marginal cost estimates associated with obtaining additional interest-checking: account funding: Market interest rate 0.3%, Servicing costs: 2.6% of bolances Acquisition costs: 0.2% of balances Deposit insurance costs =0.25% of balances Net investable balance =85%(10% required reserves and 5% float ) What is the estimated marginal cost of obtaining additionol interest-checking balances