Purchasing Power Parity establishes an exchange rate that maintains purchasing power from one country to another Explain why the Big Mac is a good product to find PPP.

Big Mac Index
Purchasing Power Parity establishes an exchange rate that maintains purchasing power from one country to another Explain why the Big Mac is a good product to find PPP.The Big Mac Index is a measure put out to calculate Purchasing Power Parity. For this discussion, your task is to: 
Read the following article about the Big Mac Index: 
https://www.economist.com/big-mac-index. It links to an external site.
1. Explain why the Big Mac is a good product to find PPP.
2. Explain why the exchange rate is not always in PPP.