The 179 deduction allows:

The cost of the asset to be listed as materials and supplies on the Schedule C in the year the asset is placed in service.

An automatic deduction of 100% of the cost of the asset in the year the asset is placed in service.

The business to claim up to 50% of the cost of the asset in the year the asset is placed in service.

The business to claim all or some of the cost of the asset in the year the asset is placed in service.