Ch.jsp?course assessment_ids_651397 course de content + Question Completion Status: Variable costs are costs that vary on a per-unit basis with changes in the activity level True False QUESTION 2 5 points The relative distribution of sales among the various products sold by a business is the a. sales mix b. business's basket of goods C. contribution margin mix d. product portfolio 0.00 QUESTION 3 points As production increases, the fixed cost per unit a remains the same b. decreases either increases or decreases, depending on the variable costs increases O