Other things the same , if the u. s. price level rises, then a. the supply of dollars in the market for foreign-currency exchange increases, and net exports rise. b. the supply of dollars in the market for foreign-currency exchange increases, and net exports fall. c. the supply of dollars in the market for foreign-currency exchange decreases, and net exports rise. d. the supply of dollars in the market for foreign-currency exchange decreases, and net exports fall.