A firm manufactures a product that sells for $640 per unit. Variable cost per unit is $360 and fixed cost per month is $26,880. Capacity is 150 units per period. a. How much is the contribution margin? b. How much is the contribution rate? c. How many units must they sell in order to break even? d. Determine the break-even point if fixed cost is increased to $32,200. e. Determine the break-even point as a percent of capacity if fixed cost is reduced to $23,808, while unit variable cost is increased to 60% of unit price.