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.

9.Redesign 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 10%.

Year0123

Cash flows-$500$200$200$200

10 .ABC Inc.'s stock has a 30% chance of producing a 20% return, a 40% chance of

producing a 0% return, and a 30% chance of producing a -15% return.What is the firm's

expected rate of return?

11.XYZInc. is considering a capital budgeting project that has an expected return of 32%

and a standard deviation of 12%.What is the project's coefficient of variation?

12.An Investor has $200,000 invested in a 2-stock portfolio.$50,000 is invested in Stock X

and the remainder is invested in Stock Y.X's beta is 1.5 and Y's beta is 1.70.What is the

portfolio's beta?