Assume that social security taxes are payable at a 6% rate and Medicare taxes are payable at a 1.5% rate with no maximum earnings, and that federal and state unemployment compensation taxes total 6.2% on the first $7,000 of earnings. If an employee earns $2,500 for the current week and the employee's year-to-date earnings before this week were $6,800, what is the total employer payroll taxes related to the current week? a. $12.40 b. $342.50 c. $187.50 d. $199.90