If actions of the chinese government caused a shortage of domestic currency, then the exchange rate would be

this will reduce the supply of china's domestic currency which would contract the supply curve of the domestic currency (of china) thus would create demand and thus increasing the exchange rate in comparison to foreign currencies thus leading to appreciation of china's domestic currency in relation to foreign currencies.

24 years, i believe is the correct answer.

i'ts proportional. if the inflation rate is 12% for example, the cpi will be 12% less.

hope it ,

bioteacher101