Can you please hep me with this 3 questions please please i would really appreciated it. I will give you a good vote

You invested $10,000 in an account that pays 5 percent simple interest. How much more could you have earned over a 30-year period if the interest had compounded annually? Select one: a. $15,000 b. $18,219 c. $14,815 d. $15,828 e. $9,314 1 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 6.3.51 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