What's a good use for the Big Mac Index? a. it's a great measure of the safety of food industry derivatives b. it's a good measure of food sector inflation Oc. it's a good way to see if a currency is under or over-valued d. it's a way to decide whether fast food is a good choice in a foreign country 20150 PERMANE 2020-21-22 7503010000 FRAN Col