help!! Hector needs $13,000 in 7 years. (a) What amount should he deposit at the end of each quarter at 7% compounded quarterly so that he will have his $13,000? (b) Find Hector's quarterly deposit if the money is deposited at 6% compounded quarterly. (a) If the interest is 7% compounded quarterly, he should deposit $ (Round up to the nearest cent.) at the end of each quarter.

Please show full steps along with concept.

An insurance settlement of $3 million must replace Trixie Eden's income for the next 30 years. What income will this settlement provide at the end of each month if it is invested in an annuity that earns 8.1%, compounded monthly? (a) Decide whether the problem relates to an ordinary annuity or an annuity due. ordinary annuityannuity due     (b) Solve the problem. (Round your answer to the nearest cent.) $

Derrick recently graduated. He owes $17,525 in student loans with APR of 4.6% compounded monthly. He is expected to pay off his loan in 15 years. Round answer to two decimal points a. Under the current terms of his loan what is Derricks minimum payment? b. What is the total amount Derrick will pay when the loan is complete? c. How much will Derrick pay in interest? d. Derrick wants to pay more than the required monthly amount for his loan. Assuming the same conditions of the original student loan what would Derrick new monthly payment would be if he pay off loan in 10 years e. What is the total amount Derrick will pay if they pay off the loan in 10 years? f. With the 10 year loan how much will Derrick pay in interest?