Please urgently help me with this question please

Digi Corporation is considering replacing a hand operated machine with a brand new fully automated machine. The company has two types of machine to choose and they are mutually exclusive. The firm's cost of capital is $10\%.$ Below are the expected cash flows generated by both machines?

Machine AA Machine BB

Mesin AA Mesin BB

Initial Investment $($RM$100,000)($RM$100,000)$

Year $1$ RM$15,000$ RM$35,000$

Year $2$ RM$40,000$ RM$35,000$

Year $3$ RM$25,000$ RM$35,000$

Year $4$ RM$60,000$ RM$35,000$

Year $5$ RM$35,000$ RM$35,000$

Calculate the following:

a$)$ Payback period for both machines

b$)$ Net present value for both machines

c$)$ Internal rate of return for Machine BB

$)$

d$)$ Which machine should the company choose and why?

e$)$ What are the benefits of capital budgeting?