Winthrop Corporation produces and sells a single product. Data for that product are: Upper management is considering using a biodegradable packaging which costs $5 more per unit but it produces less waste in the long run. Management plans to increase advertising by $7,000 per month to advertise this new feature to their packaging. They believe that environmentally friendly people will switch to their product resulting in an increase in sales of 3.000 units per month. A. They would have to sell 3,240 more units to breakeven. B. They would have to sell 190 more units to breakeven. C. They would have to sell 3,000 fewer units to breakeven. D. They would have to sell 190 fewer units to breakeven