A decision must be made between two different machines, A and B. The machines will produce the same product, but only one type of machine (either A or B ) will be purchased. The company estimates that the selling price per unit for the product will be $33. The variable cost of production per unit if machine A is selected is believed to be $20. The variable cost of production if machine B is selected is believed to be $26. The fixed cost of machine A is $2,769,000, and the fixed cost of machine B is $1,389,500. a. The break-even quantity is units if machine A is selected. (Enter your response as a whole number.) b. The break-even quantity is units if machine B is selected. (Enter your response as a whole number.) c. If total demand for the product is believed to be 256,500 units, which machine will make the greater contribution to profit? The contribution to profit is $ if machine A is selected. (Enter your response as a whole number.) The contribution to profit is $ if machine E as a whole number.)