Ms. Lincoln paid $14,340 of medical expenses this year that were not reimbursed by her insurance provider. Compute the after-tax cost of these expenses assuming that:

a. Ms. Lincoln doesn’t itemize deductions on her Form 1040.

b. Ms. Lincoln itemizes deductions, her AGI is $48,300, and her marginal tax rate is 24 percent.

c. Ms. Lincoln itemizes deductions, her AGI is $127,300, and her marginal tax rate is 32 percent.

Assume the taxable year is 2018.