The management of Zorrilla Corporation is considering dropping product R10C. Data from the company's accounting system appear below: All fixed expenses of the company are fully allocated to products in the company's accounting system. Further investigation has revealed that $42,000 of the fixed manufacturing expenses and $48,000 of the fixed selling and administrative expenses are avoidable if product R10C is discontinued. 70. According to the company's accounting system, what is the net operating income earned by product R10C? A. ($28,000) B. $28,000 C. $135,000 D. ($135,000)