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Group Problem 4 The Ronowski Company has three product lines of belts-A, B, and having contribution margins of $3, $2, and $1, respectively. The president foresees sales of 200,000 units in the coming period, consisting of 20.000 A 100,000 B, and 80,000 C. The company's fixed costs for the period are $255,000. Required: a. What is the company breakeven point in units, assuming that the given sales mix is maintained? b. If the mix is maintained, what is the total contribution margin at a volume of 200,000 units? What is operating income? c. What would operating income become if 20,000 units of A, 80,000 units of B, and 100,000 units of C were sold? What is the new breakeven point in units if these relationships persist in the next period