Help with these few problems? Or just somewhere to start.

8. You borrow $10,000 and pay off the loan with four annual payments. The first payment is made one year after receipt of the $10,000 and equals the accrued interest to date; the second payment equals the accrued interest to date; the third payment equals the accrued interest to date; and the fourth payment equals the sum of the accrued interest to date and the amount borrowed. If interest is 8% compounded annually, what will be the size of each payment? (10 pts) 9. You borrow $10,000 and pay off the loan with four annual payments. The first payment is made one year after receipt of the $10,000 and equals $2,500 plus the accrued interest to date; the second payment equals $2,500 plus the accrued interest to date; the third payment equals $2,500 plus the accrued interest to date; and the fourth payment equals $2.500 plus the accrued interest to date. If interest is 8% compounded annually, what will be the size of each payment? (10 pts) 10. You borrow $10,000 and pay off the loan with four annual payments. The first payment is made one year after receipt of the $10,000 and equals $1,000 plus the accrued interest to date; the second payment equals $2,000 plus the accrued interest to date; the third payment equals $3,000 plus the accrued interest to date; and the fourth payment equals $4,000 plus the accrued interest to date. If interest is 8% compounded annually, what will be the size of each payment? (10 pts)