On January $15,$ the end of the first pay period of the year, North Company$$s employees earned $$35,000$ of sales salaries. Withholdings from the employees$$ salaries include FICA Social Security taxes at the rate of $6\mathrm{.}2\%,$ FICA Medicare taxes at the rate of $1\mathrm{.}45\%,$ $$6,500$ of federal income taxes, $$772\mathrm{.}50$ of medical insurance deductions, and $$120$ of union dues. No employee earned more than $$7,000$ in this first period.