Use the following information for Problems 18 through 20: Problem 20: By how many percent did the GBP appreciate/depreciate against the USD? Question 21 2 pts Bonus Problem: Which of the following two statements are correct? S1: When the currency of a country appreciates relative to other currencies, the country will likely export more of its goods abroad. S2: A central bank intervening in the FX market with the goal of propping up (increasing the value of) its currency will increase its foreign currency reserves. a) S1 is correct but S2 is false b) $2 is correct but $1 is false c) Both statements are correct d) Both statements are false