Question 10 10 pts 5. A firm has invested $50,000 in equipment with a 5-year useful life. The machinery will have a salvage value of $5,000. The annual benefits from the machinery are $13,000 for the first year and increase by $2,000 per year, Assume a combined 30%% income tax rate, and the firm uses the SOYD depreciation. (a) (10 pts) Calculate the before-tax IRR. 20 85/ year D Question 11 10 pts (b) (10 pts) Calculate the after-Lax IRR. 0 11.9%/year O 142%/year O 1521/pra