Levi created a budget to determine his expenses, but at the end of the month, the amount of money he spent was different from the amount of money he budgeted.

Groceries are a variable expense, so the amount Levi spends can differ from what he planned in his budget. Rent and taxes are generally fixed or predictable expenses, while income is money received rather than spent. The correct choice is groceries.

AI-written and checked against the verified answer.