Company J must choose between two alternative business expenditures with the following cash flows: Expenditure 1: $80,000 cash outflow
Expenditure 2: $60,000 cash outflow

Required:
a. Determine the marginal tax rate at which the after-tax cash flows from the two expenditures are equal assuming that Expenditure 1 is fully deductible and Expenditure 2 is non deductible.
b. Determine the marginal tax rate at which the after-tax cash flows from the two expenditures are equal assuming that Expenditure 1 is 50 percent deductible and Expenditure 2 is nondeductible.
c. Determine the marginal tax rate at which the after-tax cash flows from the two expenditures are equal assuming that Expenditure 1 is fully deductible and Expenditure 2 is 50 percent deductible.