show calculations please !

Exercise 6 You are considering purchasing a new machine for $48000 that will save $9000 per year for 8 years. If cost of capital is 12%, what is the net present value (NPV) of buying the new machine? Submit your answer. Should you purchase the machine? Exercise 7 You are considering investing in a project that will require an initial capital outlay of $160000 and generate annual cash flows of $24920 for 10 years. What is the internal rate of return (IRR) for this prolect Submit your answer. Exercise 8 If you borrow $300000 to purchase a hote, what do you expect your monthly payment will be? Assume a 30 year mortgage and a fixed 7% Interest rate. Submit your answer. Exercise 9 If you invest $12000 each year for 35 years, how much will you have at the end of 35 years assuming a 10% annual return? Submit your