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 264,000 $ 1,082,400 $ 433,000 $ 230,000 $ 95,000 $ 220,000 $ 104,400 10 What is the company's unit contribution margin? (Round your intermediate calculations to 2 decimal places.)