Show working please

Consider the same short-term interest rates as in problem 4 above. If the yield on a discount bond that matures in 4 years is 8.25%, then according to liquidity premium theory, the premium attached to the 4 year discount bond is?

Ref. question

Analysts predict that short-term interest rates over the next 4 years will be as follows: 13%, 2%, 7%, and 10%, respectively. According to expectations theory, the yield on a discount bond with a three year maturity will be ____ and yield on bond with a four year maturity will be ____.