The Assignment is a Financial management course which i need some help please

1) Tuffah Inc. is considering Project A and Project B, which are two mutually exclusive projects with unequal lives. Project A is an eight-year project that has an initial outlay or cost of $140,000. Its future cash inflows for years 1 through 8 are the same at $36,500. Project B is a six-year project that has an initial outlay or cost of $160,000. Its future cash inflows for years I through 6 are the same at $48,000. Tuffah uses the equivalent annual annuity (EAA) method and has a discount rate of 13%. Which project(s), if any, will Apple accept? 2) Jamjum Inc. is considering a project that has an initial after- tax outlay or after-tax cost of $220,000. The respective future cash inflows from its four-year project for years I through 4 are: $50,000, $60,000, $70,000 and $80,000. Rogue River uses the net present value method and has a discount rate of 11%. Will Jamjum River accept the project? 3) Thabit Inc. is considering an eight-year project that has an initial after-tax outlay or after-tax cost of $180,000. The future after-tax cash inflows from its project for years 1 through 8 are the same at $35,000. Thabit uses the net present value method and has a discount rate of 12%. Will Thabit accept the project? 4) The following information comes from the Habtoor Construction balance sheet. The value of common stock is $10,000, retained earnings equals $7,000, total common equity equals $17,000, preferred stock has a value of $3,000, and long-term debt totals $15,000. If the cost of debt is 8.00%, preferred stock has a cost of 10.00%, common stock has a cost of 12.00%, and the firm has a corporate tax rate of 30%, calculate the firm's WACC adjusted for taxes. 5) Habib Supply Co. has a new project that will require the company to borrow $3,000,000. Acme has made an agreement with three lenders for the needed financing. First National Bank will give $1,500,000 and wants 10% interest on the loan. Lockup Bank will give $1,000,000 and wants 12% interest on the loan. Southern National Bank will give $500,000 and wants 13% interest on the loan. What is the weighted average cost of capital for this $3,000,000