Suppose yields on A-rated corporate bonds in Canada and China are 2% and 5%, respectively, for a

3-year tenor. Suppose a Chinese investor buys a bond issued by a Canadian corporation. If Uncovered Interest Parity (UIP) holds for the 3-year period, what is

the percentage change in the CAD versus the CNY? If the bond is held-to-maturity, 1,000,000 CNY will

grow to approximately how many yuan?

with this question, what formula should I use? Since we don't know the currency rate according to the question