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8. Superior Products has two sales areas: North and South During April, the contribution margin in the North was $90,000, or 30% of sales. The segment margin in the South was $25,000 or 10% of sales. Traceable fixed expenses were $30,000 in the North and $15,000 in the South. Superior Company reported a total NOI of $52,000. The total sales for Superior Company were: a. $983,333. b. $430,000. c. $550,000. d. $480,000