How much should Jacob have in a savings account that is earning 3.75% compounded monthly, if he…

How much should Jacob have in a savings account that is earning 3.75% compounded monthly, if he plans to withdraw $2,250 from this account at the end of every month for 9 years?

Falco Inc. financed the purchase of a machine with a loan at 3.31% compounded semi-annually. This loan will be settled by making payments of $8,700 at the end of every six months for 9 years. What is principal balance and interest charged?
How much money should Marcus invest today in a fund that earns interest at 3.90% compounded quarterly, if he wants to receive $6,500 at the end of every 6 months for the next 7 years?
Calculate the accumulated amount of end-of-month payments of $1,000 made at 4.63% compounded quarterly for 5 years.