please answer all parts on a piece of paper

Exercises: Parity conditions in real markets and financial markets EXERCISE 7 (Purchasing Power Parity) Between 1982 and 2006, the X/$ exchange rate moved from 249.05 USD/JPY to 116.34 USD/JPY. During this same 25-year period, the consumer price index (CPI) in Japan rose from 80.75 to 97.72 and the U.S. CPI rose from 56.06 to 117.07. If PPP had held over this period, what would the USD/JPY exchange rate have been in 2006