Could Someone please help me with these two questions please, thank you !!!

Problem 5. A euro6000 loan is to be repaid at the end of 2.5 years. Interest charged is 10% compounded quarterly. The debtor establishes a sinking fund that earns 8% interest compounded quarterly. Find

(i) The interest payment on the debt for each 3 month interval.

(ii) The periodic payments into the sinking fund.

(iii) The total cost to the debtor at the end of every 3 months.

(iv) The amount in the sinking fund at the end of the fifth period.

(v) The sinking fund interest income for the sixth payment period.

(vi) The book value at the end of the fifth period.

Problem 6. Ciaran has borrowed euro25,000 at a rate of 8% effective. Exactly one year later, Ciaran started paying into a sinking fund at 6% effective to repay the loan. At the end of each year, Ciaran makes a total repayment of euro2,500.

(i) How much of the euro2,500 pays the interest on the loan?

(ii) How much of the e2, 500 goes into the sinking fund?

(iii) What is the balance in the sinking fund at the end of 7 years?

(iv) How much of the eighth payment should be considered as principal and how much should be considered as interest?