Naylor Manufacturing Inc. sold 8,500 units and recorded sales of $595,000 for the first month of 2020. In making the sales, the company incurred the following costs and expenses. Variable Fixed Cost of goods sold $305,000 $68,200 Selling expenses 41,100 27,300 Administrative expenses 10,900 39,800 NAYLOR MANUFACTURING INC. CVP Income Statement Total Per Unit $ > > > Galculate the contribution margin per unit. Gontribution margin 2$ per unit Galculate the contribution margin ratio. Gontribution margin ratio %