please andwer ASAP. find the cost of one units using variable costing.

Leaming Co. reported the following data for the month of June: JO 3,000 2,300 $10.00 Units in beginning inventory Units produced Units sold (at $14 per unit) Variable costs per unit: Direct materials Direct labour Variable manufacturing overhead Variable selling expense Fixed costs: Fixed manufacturing overhead Fixed selling and administrative expense What is the cost of one unit of product using variable costing? $7.20 $4.20 $1.40 $9,000 $4,600 $21.40 $24.40 $22.80