Problem 6-113 [LO 6-1, 6-2, 6-3 Dallas Inc. sells a product for $67. Variable costs are 60% of sales, and monthly fixed costs are $61,372 a. What is the break-even point in units? (Do not round intermediate calculations.) ven units b. What unit sales would be required to earn a target profit of $136,948? (Do not round intermediate calculations.) units c. Assume they achi ieve the level of sales required in part b, what is the margin of safety in sales dollars? (Do not round intermediate calculations.) of O Type here to search