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CVP Excercises Grave Com pany has a contribution margin of S 500,000 and a contribution margin ratio of 40%. How much are total variable costs? b) $750,000 d. $1,250,000 $200,000 $300,000 ISSAC Company has a contribution margin per unit of $21 and a contribution margin ratio of 60%. How much is the selling price of each unit? $35.00 b. $52.50 c. $12.60 d. Cannot be determined without more information