You can purchase $5 million of 1-year Nigeria sovereign hard currency bonds with a 7% yield, or 4% more 1-year US Treasury bonds. Nigerias local currency government bonds yield 9%. Current FX rate is 150 Nigeria Naira per 1 US Dollar. If you invested in the Nigeria local government bond earning 9% for 1-year, what is the future FX rate of Nigeria Naira that results in zero profit in US Dollar terms?