I need help checking my work and answers for this assignment. Please help by showing any work that is applicable so I can follow through to the answer and see where I went wrong, if in fact I did. Thank you.

5.Data Computer Systems is considering a project that has the following cash flow data.What is the project's IRR?Note that a project's IRR can be less than the WACC (and even negative), in which case it will be rejected.

Year0123

Cash flows-$1,200$600$550$500

6.XYZ Corp. is considering a project that has the following cash flow data.What is the project's IRR?Note that a project's IRR can be less than the WACC or negative, in both cases it will be rejected.

Year0123

Cash flows-$1,000$325$425$525

7.WWW Company is considering a project that has the following cash flow data. What is the project's IRR?Note that a project's IRR can be less than the WACC or negative, in both cases it will be rejected.

Year01234

Cash flows-$1,200$400$400$400$500

8.Talent Inc. is considering a project that has the following cash flow data.

(a) What is the project's payback period?

(b) What is the project's discounted payback period?

Assume the cost of capital is 8%.

Year0123

Cash flows-$1,150$500$500$600