Audio Cables, Inc., is currently manufacturing an adapter that has a variable cost of $0.50 per unit and a selling price of $1.30 per unit. Fixed costs are $14,000. Current sales volume is 30,000 units. The firm can substantially improve the product quality by adding a new piece of equipment at an additional fixed cost of $6,000. Variable costs would increase to $0.75, but sales volume should jump to 40,000 units due to a higher-quality product. a. What is the current profit and proposed profit of the sales of AudioCables? (Negative amounts should be indicated by a minus sign.) Answer is complete but not entirely correct. Current profit Proposed profit $ 15,000 $ 22,500 b. Should Audio Cables buy the new equipment? Yes No There is insufficient information provided to answer this question