A cement manufacturer has supplied the following data: Tons of cement produced and sold Sales revenue Variable manufacturing expense Flxed manufacturing expense Variable selling and administrative expense Flxed selling and adminlstrative expense 249,000 $1,045,800 SAR000 $2/1000 0) 14000 What is the company's unit contribution margin? (Do not round your intermediate calculations.) O $4.20 per unit $2.00 per unit O $2.20 per unit $0.22 per unit