Problem 5-10 Comparing Costs of Checking Accounts [LO5-5] What would be the net annual cost of the following checking accounts? (a) Monthly fee, $3.90; processing fee, $0.25 cents per check; checks written, an average of 25 a month. (Do not round intermediate calculations. Input the answer as a positive value. Round your answer to 2 decimal places.) (b) Interest earnings of 4 percent with a $500 minimum balance; average monthly balance, $800; monthly service charge of $15 for falling below the minimum balance, which occurs three times a year (no interest earned in these months). (Do not round intermediate calculations. Input the answer as a positive value. Round your answer to 2 decimal places.)