Viteri Corporation is a merchandiser that reported the following financial results for the month of November: Number ofunits sold Selling price per unit Unit cost ofgoods sold Variable selling expense Total fixed selling expense Variable administrative expense Total fixed administrative expense 1,200 units $221 per unit $97 per unit $12 per unit S7,300 $8 per unit S15,300 9. If cost of goods sold are a fully variable cost, whatis Viteri's gross margin in November? 10. If cost of goods sold are a fully variable cost, what is Viteri's contribution marginin November