Describe two potential problems that should be avoided in relevant-cost analysis. Question content area bottom Part 1 A. 1. Assuming that all variable costs are relevant and all fixed costs are irrelevant. 2. Using unit-cost data directly. B. 1. Focusing on total revenues and total costs (rather than unit revenue and unit cost). 2. Focusing on the relevance concept. C. 1. Focusing on total revenues and total costs (rather than unit revenue and unit cost). 2. Using unit-cost data directly. D. 1. Focusing on the relevance concept. 2. Using total cost data directly