Cha Problem 4-11 (L04.4) What would be the net annual cost of the following checking accounts? a. Monthly fee, $3.00. processing fee, 35 cents per check, checks written, an average of 15 a month. (Round your answer to 2 decimal places. Input the amount as a positive value.) Net annual cost b. Interest earnings of 4 percent with a $500 minimum balance, average monthly balance, $750, monthly service charge of $12 for falling below the minimum balance, which occurs three times a year (no interest earned in these months). (Do not round intermediate calculations. Round your answer to 2 decimal places. Input the amount as a positive value.) Net annual cost