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Answer (B) is correct . Using the relationship:? sales = total variable costs + total fixed costs, the combined breakeven point can be calculated as follows: S = 0.75S(0.60) + 0.25S(0.85) + $150,000 S = 0.45S + 0.2125S + $150,000 S – 0.6625S = $150,000 0.3375S = $150,000 S = $444,444

Answer (A) is incorrect because This amount is based on the contribution margin of Product A only rather than a weighted average.
Answer (C) is incorrect because This amount is based on half of the required sales at B’s contribution margin.
Answer (D) is incorrect because This amount is based on an unweighted average of the two contribution margins.