Mr. and Mrs. Compton paid $9,280 of medical expenses that were not reimbursed by their private insurance provider. Required: Compute the after-tax cost of these expenses assuming that the Comptons itemize deductions on their joint tax return, their AGI is $116,000, and their marginal tax rate is 24 percent. Compute the after-tax cost of these expenses assuming that the Comptons itemize deductions on their joint tax return, their AGI is $424,000, and their marginal tax rate is 35 percent. Compute the after-tax cost of these expenses assuming that the Comptons take the standard deduction on their joint tax return, their AGI is $39,000, and their marginal tax rate is 12 percent.