A. Calculate the employer's payroll taxes, using the following rates: state unemployment, 5.4 % ; federal unemployment, 0.6 % S Instructions According to a summary of the payroll of Guthrie Co., $770,000 was subject to the 6.0% social security tax and the 1.5% Medicare tax. Also, $42,000 was subject to state and federal unemployment taxes. Required: A. Calculate the employer's payroll taxes, using the following rates: state unemployment, 5.4%; federal unemployment, 0.6%