On January 8, the end of the first weekly pay period of the year, Regis Company's employees earned $27,760 of office salaries and $60,840 of sales salaries. Withholdings from the employees' salaries include FICA Social Security taxes at the rate of 6.2%, FICA Medicare taxes at the rate of 1.45%, $12,960 of federal income taxes, $1,350 of medical insurance deductions, and $940 of union dues. No employee earned more than $7,000 in this first period. Required: 1-a. Calculate below