Nurix, Inc. is a business consulting firm. During the month of February, Nurix earned $56,400 of revenues by providing services to48 clients. Operating expenses for February were $10,500 and non-operating expenses were $6,000. What is the unit cost per item sold? (Round your answer to the nearest cent.) A) $19.21B)$15.77C) $22.85D) $19.40