In a perfectly floating exchange rate regime, use the monetary approach to the exchange rate to explain

Question:

In a perfectly floating regime, use the monetary approach to the to explain the effect on the dollar price of a Swiss franc ($/SFr) of the following scenarios:
a. The output in the U.S. decreases by 3%.
b. The price level in Switzerland decreases by 2%. Exchange Rate
The value of one currency for the purpose of conversion to another. Exchange Rate means on any day, for purposes of determining the Dollar Equivalent of any currency other than Dollars, the rate at which such currency may be exchanged into Dollars...