2. Ch04 Financial Planning Exercise 5 eBook Chapter 4 Financial Planning Exercise 5 Calculating the net costs of checking accounts 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 $7, check-processing fee of 30 cents, average of 21 checks written per month. Round the answer to the nearest cent. 5 b. Annual interest of 3.5% paid if balance exceeds $700, $5 monthly fee if account falls below minimum balance, average monthly balance $785, account falls below $700 during seven months. Round the answer to the nearest cent. $