I need answers for 1,2,3,4. Please show how did you do them :)

Cleveland Cliffs is interested in purchasing an ore ship for its great lakes operations. The new ship will be christened "Rockstar", pronounced "Rock-Sta' ". Total cost including delivery is $30,000,000. Relevant cash flows (net cash flows) from this project are estimated at $10,000,000 and the ship has arn estimated useful life of five years, after which it can be sold for $25,000,000. The required rate of return on this project is 18.25% 1 The project's payback period is a. 1 year b. 2 years c.) 3 years 4 years none of the above e. 2 What is the Rock Sta' projects NPV 2,120,329.00 5,420,527.23 10,875,963.00 11,908,149.00 a. b. C. d. 3 What is the projects IRR. a. b. C. d. 43.58% 31,54% 25.24% 14.00% Karyn purchases a 6 month treasury bill with a face value of $10,000 for $9,872.00. Calculate the bonds yield. a, 3.41% b. 3.32% c. 3.26% d 3.02% e 2.61%