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 sellilng and administrative expense Net operating income $1.133,600 $448.630 $288,300 $ 79,170 $228,800 $ 88,700 What Is the company's unit contribution margin? (Do not round your intermedlate calculations) o $2.03 O $436 O $2.33 O $ 30