Sroufe Manufacturing intends to increase capacity by overcoming a botuleneck operation by adding new equipment. Two vendors have presented proposals The Mixed costs are $50,000 for proposal A and $70,000 for proposal B. The variable cost is $12.00 for A and 510.00 for B. The revenue generated by each unit is $20.00 a) The break-even point in units for the proposal by Vendor A=(units (enter your response as a whole number). b) The break-even point in units for the proposal by Vendor B-units (enter your response as a whole number) F