Hello! i need some help with trhis questions. I understand Cheggs policy for one question, unfortunately this online classes have demanded more and i dont have many left. So please if you feel like you cant help i understand. If yes i only need help in this 3 questions to complete my assigment

A project has an initial cost of $4,800. The cash inflows are $1,125, $1,325, $1,850, and $1,225 over the next four years, respectively. What is the payback period? Select one: a. 3.92 years b. 2.95 years C351 years d. 3.41 years e. 3.28 years You are considering two mutually exclusive projects. Project A has cash flows of -$78,000, $32,600, $45,900, and $53,400 for years 0 to 3, respectively. Project B has cash flows of -$85,000, $14,700, $21,200, and $89,800 for years 0 to 3, respectively. Project A has a required return of 9 percent while Project B's required return is 11 percent. Which project(s), if either, should you accept based on net present value? Select one: a Reject Project A and accept Project B b. accept Either one, but not both c. Reject both projects d. Accept Project A and reject Project B e. Accept both projects Fifteen years ago, your parents set aside $30,000 to help fund your college education. Today, that fund is valued at $83,750. What annual rate of return is being earned on this education savings account? Select one: a. 7.45 percent b. 8.56 percent c. 7.08 percent d. 6.84 percent e. 6.96 percent