Can We Just Erase the Extra $4?

Chair: We have $10.

Pencil: Let's buy $14 of pens and paper.

Chair: That's $4 too much.

Pencil: Could we erase the four?

Chair: Only on the page.

A budget is a plan for using the money you have. Erasing a number won't add money. Changing the shopping list might help.

The pencil is now writing a cheaper list.