This question is now the fourth time that I am trying to get the right answer. The first time: b, c, d; second time: d: third time: b and d. That's $12 down and not a right answer yet. I even tried by process of elimination b and c. Nevertheless, I am going to try once again. Hope you can help. Thank you.

The Purchasing Power Parity (PPP) hypothesis implies that the real exchange rate must be equal to which of the following? Select all that apply.

a) eP*/P, where P is the aggregate price level in home country, P* in foreign country

b) eP/P*, where P is the aggregate price level in home country, P* in foreign country

c) 1

d) P*/P, where P is the aggregate price level in home country, P* in foreign country