please, need explanation

1. Professor Weiss is preparing for his retirement and deposited a fump sum into an account on lanuary I1, 2005, that will carn 5% interest compounded annually. Professor Weiss plans to withdnaw $10,000 each year for is years (15 withdrawals) to pay for room and board at the Old Professors' Home, He will make the first withdrawal on January 1 . 2017. How much did Professor Weiss deposit on January 1, 2005 ? At least one annuiry table must be used to obtain 1. Professor Weiss is preparing for his retirement and deposited a fump sum into an account on lanuary I1, 2005, that will carn 5% interest compounded annually. Professor Weiss plans to withdnaw $10,000 each year for is years (15 withdrawals) to pay for room and board at the Old Professors' Home, He will make the first withdrawal on January 1 . 2017. How much did Professor Weiss deposit on January 1, 2005 ? At least one annuiry table must be used to obtain