Domestically, a base unit iPhone costs 67,990 PHP and costs 999 USD. Assume a nominal exchange rate of 1 USD = 56 PHP Solve for e: e= 1/56=0.01785714286=0.018 Then, solve for : = e *(P P*)=(0.018)(67990999) = (0.018)(68.05805806) = 1.225045045 or 1.23 Since the real exchange rate () is high, a base unit of IPhone is relatively more expensive to buy here in the Philippines. On the other hand, it is cheaper to buy the product in the US