please show work with equations

Question 2 1 pts 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 32,750,000 4 1,900,000 5 800,000 6 450,000 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) 8% b) 8% a) 0% b) 8% a) 8% b) 0% a) 0% b) 0%