Please show all formulas used and a full step solution

Question 5 Davis wants to start his business by purchasing a 3D printing machine which has a cost of $73,000. This machine will be deprecated at a CCA rate of 30% and be sold for an amount equal to the UCC of the machine at the end of 7 years. The cost of unlevered equity is 8%. The business is expected to generate before-tax cash flow of $13,500 per year for 7 years. The corporate tax rate is 30%. Davis only has $10,000 available and needs to borrow the balance at 5% per year. The bank will charge 4% of the amount borrowed as flotation costs. (a) Using the adjusted present value method, calculate the NPV. (b) Assume that Davis can borrow at a subsidized rate of 3% but has to repay 1/7 of the loan at the end of each year. What is the NPV