May you please assist with this question?

Question 4 [1 0 points] In a hypothetical world, between last year and this year, the CPI in The United States ofAmerica rose from 105 to 115 and the CPI in Russia rose from 100 to 110. The United States ofAmerica's currency unit, the Dollar(USD), was worth 1.1(USD) per Canadian dollar last year and is worth 1(USD) per Canadian dollar this year. Russia's currency unit, the Ruble(RUB), was worth 23.28(RUB) per Canadian dollar last year and is worth 23.13(RUB) per Canadian dollarthis year. a) Find the percentage change from last year to this year in The United States of America's nominal exchange rate with Russia (measured as # of Dollars/1 Russia Ruble). NOTE: Please keep as much precision as possible throughout your calculations and round off your final answer to two decimal places. [Percentage change = 0% b) Find the percentage change from last year to this year in The United States ofAmerica's real exchange rate with Russia. Again, assume that we are measuring the nominal exchange rate portion as the # of Dollars/1 Russia Ruble. NOTE: Please keep as much precision as possible throughout your calculations and round off your final answer to two decimal places. [Percentage change = 0% c) Relative to Russia, do you expect The United States of America's exports to be helped or hurt by these changes in exchange rates? 0 Helped 0 Hurt