4.You would like to have $14,857 in 14 years.. If the rate is 7.88%, how much do you have to invest each year?

5.You would like to have $49,762 in 15 years. If the rate is 8.78%, how much do you have to invest each month?

6.you will invest $200 per year. If the rate is 8.83%, how much will you have in 13 years?

8.An investment that will give you monthly payments for 10 years costs $98,851. If your required return is 11.54%, what is the monthly payment?