34 of 40 (22 This Question: 1 pt Describe two potential problems that should be avoided in relevant-cost analysis O A. 1. Assuming that all variable costs are relevant and all fixed costs are irrelevant. O B. 1. Focusing on total revenues and total costs (rather than unit revenue and unit cost). O C. 1. Focusing on total revenues and total costs (rather than unit revenue and unit cost). O D. 1. Focusing on the relevance concept. 2. Using unit-cost data directly 2. Using unit-cost data directly. 2. Focusing on the relevance concept 2. Using total cost data directly. Click to select your answer esc