Crown Co. can produce two types of lamps, the Enlightner and Foglighter. The data on the two lamp models are as follows: Enlightner Foglighter Sales volume in units 500 400 Unit sales price $300 $400 Unit variable cost (200) (240) Unit contribution margin $100 $160 It takes one machine hour to produce each product. Total fixed costs for the manufacture of both produc $ $90,000. Demand is high enough for either product to keep the plant operating at maximum capacity. 1 Assuming that sales mix remains constant in units, the breakeven point in total units is: A) 687. B) 710. C) 805. D) 945. E) 1,006