please yse excel and correct functions

The following problems are from chapter 4 and 5. Use Excel functions to answer each question. The questions are 3 points each and are not partial credit. The answer is either correct or incorrect. Please provide your answer in the cell with the question mark. Problem 1) Currently, Ben has $5,000 in his investment account. Ben wants $50,000 at the end of ten years. His investment will earn 8 percent. How much must Ben add to his account each year (ordinary annuity)