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What is contribution margin when 250,000 units are sold? Units Produced and sold 390,000 Sales revenue $2,437,500 Variable manufacturing expense $585,000 Fixed manufacturing expense $266,000 Variable selling and administrative expense $565,500 Fixed selling and administrative expense $232,000 net operating income $789,000 0 $ 737.500 O $1,287,000 O $ 825,000 O $ 327,000