Nurix Inc. is a business consulting firm. During the month of February, Nurix earned $55,400 of revenues by providing services to 45 clients.

Nurix Inc. is a business consulting firm. During the month of February, Nurix earned $55,400 of revenues by providing services to 45 clients. Operating expenses for February were $8,500 and non-operating expenses were $4,500.

What is the cost per service?