What would be the net annual cost of the following checking accounts? a. Monthly fee, \$4.25; processing fee, 30 cents per check; checks written, an average of 18 a month. (Do not round intermediate calculations. Round your answer to 2 decimal places. Input the amount as a positive value.) b. Interest earnings of 5 percent with a $500 minimum balance; average monthly balance, $600; monthly service charge of $17 for falling below the minimum balance, which occurs five 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.)