If the exchange rate is 9 Pound sterlings per U.S. dollar and a meal in London costs 225 Pound sterlings, then how many U.S. dollars does it take to buy a meal in London? a. $34 and your purchase will decrease the United Kingdom's net exports. b. $25 and your purchase will decrease the United Kingdom's net exports. c. $34 and your purchase will increase the United Kingdom's net exports. d. $25 and your purchase will increase the United Kingdom's net exports