Where does the $2300 come from for FUTA and SUTA?

A company's employees had the following earnings records at the close of the current payroll period: The company's payroll taxes expense on each employee's earnings includes: FICA Social Security taxes of 6.2% on the first $106,800 of earnings plus 1.45% FICA Medicare on all wages; 0.8% federal unemployment taxes on the first $7,000; and 2.5% state unemployment taxes on the first $7,000. Compute the employer's total payroll taxes expense for the current pay period. Total employer payroll taxes $1,139.25