How can I answer each of the following questions please?

1.

Suppose the initial real per capita GDP of countries A, B and C are respectively 20, 20 and 40 thousand dollars. If their annual growth rates are respectively 2.1%, 4.1% and 1%, how many years it will take for countries A and B to converge to country C? Round your answer to the nearest first decimal. Country A: Country B:Suppose the average growth rate of nominal wage over a period is 10.2% and the average inflation rate over the same period is 5.4%. What is the growth rate of real wage? Use the the approximated formula and express your answer in percentage rounded to the nearest first decimal.For each of the following events, choose whether it is likely to appreciate or depreciate the Canadian dollars against the US dollar. Answer this question using the model of exchange rate that we saw in the module on international nance. a. The demand for American goods from Canadians decreases. O Depreciate O Appreciate b. Interest rates in the US increases. 0 Depreciate O Appreciate c. Interest rates in Canada increases. 0 Appreciate O Depreciate