Sheila Williams, a medical secretary, earns $2,509 monthly for a 36-hour week. For overtime work, she receives extra pay at the regular hourly rate up to 40 hours and time and one-half beyond 40 hours in any week. During one semimonthly pay period, Williams worked 10 hours overtime. Only 2 hours of this overtime were beyond 40 hours in any one week. Compute the following amounts. Round all divisions to two decimal places and use the rounded amounts in subsequent computations. Round your final answers to the nearest cent. a. The regular semimonthly earnings b. The overtime earnings c. The total earnings