need help with this question.

w you have on deposit at the end of five years 6. Suppene you have the opportunity to make an investment in a real estate venture that expects to pay investors 5750 at the end of cach month for the next eight years, You believe that a reasonable return on your investment should be an annual rate of 15 percent comme my How mich should you pay for the investment? What will be the total sum of cash you will receive over the next years! What do we call the difference between aand by