(LO 3-1, 2, 4) 3-54. CVP, Operating Leverage, and Margin of Safety Percentage Canton Corp. produces a part using an expensive proprietary machine that can only be leased. The leasing company offers two contracts. The first (unitrate lease) is one where Canton would pay $4 per unit produced, regardless of the number of units. The second lease option (at-rate lease) is one where Canton would pay $60,000 per month, regardless of the number produced. The lease will run one year and the lease option chosen cannot be changed during the lease. All other lease terms are the same. The part sells for $40 per unit and unit variable cost (excluding any machine lease costs) are $20. Monthly xed costs (excluding any machine lease costs) are $200,000. Required :1. What is the monthly break-even level assuming: 1. The unit-rate lease? 2. The at-rate lease? b. At what volume would the operating profit be the same regardless of the lease option chosen? c. Assume monthly volume of 20,000 units. What is the operating leverage assuming: 1. The unit-rate lease? 2. The flat-rate lease? d. Assume monthly volume of 20,000 units. What is the margin or safety percentage assuming: 1. The unit-rate lease? 2. The at-rate lease