A cement manufacturer has supplied the following data: Tons of cement produced and sold Sales revenue Variable manufacturing expense Fixed manufacturing expense Variable selling and administrative expense Fixed selling and administrative expense Net operating income 240,000 $1,032,000 $ 419,000 $ 278,000 $ 61,000 $ 218,000 $ 56,000 What is the company's unit contribution margin? (Round your intermediate calculations to 2 decimal places.) Multiple Choice $0.32 per unit Multiple Choice O $0.32 per unit $2.00 per unit $2.30 per unit O $4.30 per unit