or another way, based on the way you measured it, and it changes from country to country, and even within countries, they change the way that they do these basket of goods, but by the way you've measured it, you would say that price inflation, or, you would say that the price inflation has been 10% between year 1 and year 5, or in general everything got 10% more expensive, or you would need 10% more money to have the same standard of living.