The Federal Reserve Bank of New York reports international exchange rates at 12:00 noon each day. On January 20, 1999, the exchange rate for Canada was 1.5226. Therefore, the formula that gives Canadian dollars in terms of United States dollars on that day is Image where DC represents Canadian dollars and DUS represents United States Dollars. Find the inverse of the function to determine the cvalue of a Unites States dollar in terms of Canadian dollars on January 20, 1999.