Global Finance questions. I desperately need help on this assignemnt and need all parts answered. I would appreciate any scholar or individual who can. Guaranteed thumbs up.

3. (a) Define real exchange rate.

(b) If the price levels (indices) in Canada and the U.S. are 125 and 110 respectively, what is the PPP rate for Canadian dollar? If prevailing spot rate is $0.8334/C$, what is the real exchange rate of Canadian dollar? Which currency is overvalued/undervalued in PPP terms? (15 points)?

4. (a) Define real interest rate. How is it related to nominal interest rate?

(b) Suppose the expected annual inflation rate in the U.S. is 1.5% and current nominal interest rate is 2%, what is the approximate real interest rate? What is the actual real interest rate? (15 points)