The Importance of Inflation in a Healthy Economy

In one scenario in demand pole you've got an economy that's really humming and people are like I want to buy all that stuff Yeah It means a lot of people a lot of money that that they want to spend. That means like you have a healthy economy right then right and under cost push. In the other case, it's more like Hey People feel like they have to do this repair on their house and I'm sorry It's just a lot more expensive. There's no math well there is math involved, but you'll still do fine Where's their math involved in this part the annual rate of inflation calculation?