I am not sure how to find Value of A given this information , pls assist thank you but i think it has got to do with IFE or PPP , thanks

Find the value of A in the following table (enter the whole number with no sign or symbol). Investors Seek to Nominal interest rate Return to investors after considering the Inflation anticipated in i residing in invest in to be earned exchange rate adjustment the home country Japan Japan 11% 11% 4% Australia A Australia Japan Australia 13% 13% 7% Answer: X The correct answer is: 10