Thomas Martin receives an hourly wage rate of $16, with time and a half for all hours worked in excess of 40 hours during a week. Payroll data for the current week are as follows: hours worked, 48; federal income tax withheld, $374; social security tax rate, 6.0%; and Medicare tax rate, 1.5%. What is the gross pay for Martin? a. $768 Ob. $832 Oc. $1,152 Od. $1,536