A corporation with a 27% combined income tax rate is considering the following investment in research equipment. Year Before-Tax Cash Flow 0 -$7,500,000 1 650,000 2 950,000 3 2.750,000 1.900.000 5 800,000 6 450,000 4 Prepare an after-tax cash flow table assuming MACRS depreciation. (a) What is the before-tax rate of return? (b) What is the after-tax rate of return? A corporation with a 27% combined income tax rate is considering the following investment in research equipment. Year Before-Tax Cash Flow 0 -$7,500,000 1 650,000 2 950,000 3 2.750,000 1.900.000 5 800,000 6 450,000 4 Prepare an after-tax cash flow table assuming MACRS depreciation. (a) What is the before-tax rate of return? (b) What is the after-tax rate of return