Exercise 3-4A Determining variable cost from incomplete cost data Barclay Corporation produced 250,000 watches that it sold for $32 each during 2019. The company determined that fixed manufacturing cost per unit was $16 per watch. The company reported a $2,400,000 gross margin on its 2019 financial statements. Required Determine the variable cost per unit, the total variable cost, and the total contribution margin. l for hranlenen and