Pedregon corporation has provided the following information: cost per unit cost per perioddirect materials $6.35 direct labor $3.75 variable manufacturing overhead $1.50 fixed manufacturing overhead $15,000sales commissions $0.50 variable administrative expense $0.55 fixed selling and administrative expense $4,500if the selling price is $20.60 per unit, the contribution margin per unit sold is closest to: (a) $6.00(b) $10.50(c) $4.05(d) $7.95

Manipulation manufacturing's (amm) standards anticipate that there will be 5 pounds of raw material used for every unit of finished goods produced. amm began the month of maymay with 8,000 pounds of raw material, purchased 25,500 pounds for $ 15,300 and ended the month with 7,400 pounds on hand. the company produced 4,9004,900 units of finished goods. the company estimates standard costs at $ 1.10 per pound. the materials price and efficiency variances for the month of maymay were: