If for some reason americans desired to increase their purchases of foreign financial assets, then other things the same a. both the exchange rate and the quantity of dollars exchanged in the market for foreign-currency exchange would fall. b. the exchange rate would rise and the quantity of dollars exchanged in the market for foreign-currency would fall. c. the exchange rate would fall and the quantity of dollars exchanged in the market for foreign-currency would rise. d. both the exchange rate and the quantity of dollars exchanged in the market for foreign-currency would rise.