Can you show how you did this? thanks

How much money should be deposited each year for 14 years if you wish to have $24,800 in the account immediately after making the last deposit? Let i=9% per year. B. How much money should be deposited each year for 14 years if you wish to withdraw $3,070 each year for 7 years, beginning at the end of the 15 th year? Let i=9% per year. A. The annual deposit amount should equal $ (Round to the nearest dollar.) B. The annual deposit amount should equal \$ (Round to the nearest cent)