How much is the amount of money for this product?

The budget for this project is set and will not change.

This project meets a certain standard.

I go to the library every month.

He attends a class to learn dialects every month.

I make it a point to save a certain amount of money every month.

I decided to save a certain amount of money every month.

I go to the library every month.

My piggy bank is already full.