Question $2$: ANSWER ALL PARTS and round $2$ decimals places

A$.$ You would like to have $$21037$ in $14$ years. If the rate is $9\mathrm{.}63\%,$ how much do you have to invest each month?

B$.$ Your grandfather has an annuity that is worth $$84788$ today. It will give him monthly payments for $21$ years. If the rate is $3\mathrm{.}30\%,$ what will be his monthly payment?

C$.$ Your mother has an annuity that will give her monthly payments for $11$ years. She tell you it is worth $$62715$ today. If her required return is $11\mathrm{.}10\%,$ what is the monthly payment?

D$.$ You plan to start investing and will invest $$41\mathrm{.}57$ per month. You will make your first deposit today. If the rate is $8\mathrm{.}4\%,$ how much will you have in $14$ years?