7. (7 pts) whose gross income is $120,000 but he has an exemption of $7,200, and total deductions of $10,800. Using the following Tax Table, calculate the actual marginal tax rate for John Tax rate Income 10% 0- 9,275 9,275 37,650 37,650 - 91,150 91,150 190,150 15% 25% 28%