a) A few years ago, the U.S. dollar equivalent of a foreign currency was $1.2167. Today, the U.S. dollar equivalent of a foreign currency is $1.3310. Using the indirect quotation method, determine the currency per U.S. dollar for each of these dates. b) A few years ago the U.S. dollar equivalent of a foreign currency was $1.2167. Today, the U.S. dollar equivalent of a foreign currency is $1.3310. Determine the percentage change of the foreign currency between these two dates.