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 248,000 $1,041,600 $ 417,000 $ 276,000 $ 79,000 $ 216,000 $ 53,600 What is the company's unit contribution margin? (Round your intermediate calculations to 2 decimal places.)