In September, Sunland Industries sold 810 units of product. The average sales price was $50. During the month, fixed costs were $7,110 and variable costs were 70% of sales. (b) X Your answer is incorrect. Using the contribution margin technique, compute break-even salesdollars and sales units. Break-even sales (in dollars) $ 474 Break-even sales (in units) 23700 units e Textbook and Media Save for Later