I am offered a choice between the following:

• A nominal return of 7% on my investment if I invest in the US.
• A nominal return of 6% on my investment if I invest in Ireland.

(a.) Which option give the highest real rate of return?

(b.) What is the average inflation rate for the last 5 years for each country and where can this information be found?

(c.) How do I use the average inflation rate for the last 5 years for each country to calculate the real rate of return?