Please solve this using either formula or table method I don't know how to approach this question. Please do nnot solve the irr calculation using excel, if this requires intrapolation. Please mention that when you solve it. Answers have been provided Best

Question 8 10 pts 4. A firm purchased $120,000 worth of light general-purpose trucks. The operations of the trucks lead to annual income of $50,000 for years 1-4. These trucks were then sold for $20,000 at the end of year1, Assume a 3616 combined tax rate. With a 40% bonus depreciation plus MACRS depreciation, do the following (a) (10 pts) Calculate the before-tax IRR. O 26.3%/year ( 30.1%/yearQuestion 9 10 pts (b) (10 pts) Calculate the after-tax IRR. 1850m