eBook Chapter4 Financial Planning Exercise 5 Determine the annual net cost of these checking accounts. A "-" sign must precede any negative net cost answers. Round your intermediate calculations to two decimal places. a. Monthly fee $10, check-processing fee of 20 cents, average of 16 checks written per month. Round the answer to the nearest cent. b. Annual interest of 3.5% paid if balance exceeds $900, $7 monthly fee if account falls below minimum balance, average monthly balance $980, account falls below $900 during 5 months. Round the answer to the nearest cent