please answer both of them.

please donot use excel.

thanks

George makes a deposit of $4,752 at the end of every year into an account that pays interest at i(2)=4%. How much is in the account at the end of 15 years? A $10,500 loan is to be re-paid over 4.5 years. For the first 2 years, inferest is charged at an annual rate of 7.3%. After that, the annual interest rate lowers to 5.4%. What monthly payment is needed to ensure the loan is paid in time? 5) George makes a deposit of $4,752 at the end of every year into an account that pays interest at i(2)=4%. How much is in the account at the end of 15 years? 7) A $10,500 loan is to be re-paid over 4.5 years. For the first 2 years, interest is charged at an annual rate of 7.3%. After that, the annual interest rate lowers to 5.4%. What monthly payment is needed to ensure the loan is paid in time