Costs is a 3rd person present and plural noun for the word "COST."
1. (Of an object or action) require the payment of (a specified sum of money) before it can be acquired or done.
2. Cause the loss or unpleasant consequence of.
3. An amount that has to be paid or spent to buy or obtain something.
4. The effort, loss, or sacrifice necessary to achieve or obtain something.
Each issue of the magazine costs $2.