Katrina is single with a taxable income for last year of $\$ 75,431 .$ Her employer withheld $\$ 14,870$ in federal taxes.
a. Use the tax table from Example 2 in Lesson $7-4$ to determine Katrina's tax.
b. Does Katrina get a refund?
c. Find the difference between Katrina's tax and the amount with-held by her employer.