Assume the following information
Current spot rate of Australian dollar = $0.66
Forecasted spot rate of Australian dollar 1 year from now = $0.59
1-year forward rate of Australian dollar = $0.62
Annual interest rate for Australian dollar deposit = 9%
Annual interest rate in the U.S. = 6%
Given the information in this question, the return from covered interest arbitrage by U.S. investors with $510,000 to invest is about _______.