mary smyth is a foreign exchange dealer for a bank in new york city. she has $1,000,000 for a short-term money market investment and wonders if she can execute a covered interest arbitrage investment in the swiss franc. she face the following rates: spot exchange rate: sf1.1520/$ 3-month forward rate: sf1.1472/$ 3-month u.s. interest rate: 4.5% per annum (1.125% quarterly) 3-month swiss interest rate: 3.2% per annum (0.8% quarterly) is there a covered interest arbitrage opportunity? group of answer choices