Jeans's Fitness Club provides monthly memberships as well as personal training sessions. The personal trainers earn 50% of the revenue for all personal training sessions. The Fitness Club also sells nutrition products. Jeans's general ledger accounts indicate the following for the year. The front desk staff wages expense remains the same throughout the year. If a contribution margin income state is prepared for the year, what is the contribution margin? A. $284,000 B. $210,000 C. $358,000 D. $74,000