8.) On March 31, Mr. R quit his job with MT Inc. and began a new job with PK Company. His salary from MT Inc. was $53,900 and his salary from PK Company was $70,000. Compute his excess payroll tax withholding credit.(Assume a social security rate of 6.2% and a wage base limit of $118,500.)

9.) Mr. and Mrs. Ks AGI was $14,000. Their federal income tax withholding was $850. They had no itemized deductions and two dependent children, ages 15 and 16. If they are entitled to a $5,460 earned income credit, compute their tax refund. (Ignore any possible refundable child tax credit.)