How to solve this question. Thank you!

(5 points) A loan of $95,000 is to be repaid in 23 biweekly payments starting two weeks after the loan was made. a) Suppose that the loan is made at a nominal annual interest rate of 2.35% compounded biweekly, and the loan is to be repaid in 11 payments of X, followed by 7 payments of 7X, followed by 5 payments of 3X. Find X. X=$ b) Suppose that the loan to be repaid in equal biweekly payments of Y, but the interest rates are as follows. For the first 22 weeks, the lender charges a nominal annual interest rate of 2.35% compounded biweekly; for the next 14 weeks, the lender charges a nominal annual interest rate of 5.3% compounded biweekly; and for the last 10 weeks, the lender charges a nominal annual interest rate of 4.55% compounded biweekly. Find Y. Y=$