How do I approach this question?

Question 11 Correct Your friend, who is a currency forecaster, expects that the Australian government will impose new regulations that prohibit foreigners from buying real estate in Sydney. The current exchange rate for the Australian Dollar relative to the US Dollar is 0.73 USD/AUD. In a floating exchange rate system and assuming all else remains equal, what future exchange rate is your friend most likely to forecast? Mark 1.00 out of 1.00 P Flag question Select one: a. 0.65 USD/AUD b. 0.85 USD/AUD c. 0.77 USD/AUD d. 1.46 USD/AUD e. 0.73 USD/AUD