explain each step by step please

Dollar Company incurred the following costs while producing 480 units: direct materials, $13 per unit, direct labor, $29 per unit, variable manufacturing overhead, $18 per unit total fixed manufacturing overhead costs, $7,680; variable selling and administrative costs, $3 per unit, total fixed selling and administrative costs, $4,320. There are no beginning inventories What is the operating income using variable costing if 440 units are sold for $170 each? O A. $36,400 O B. $35,080 O C. $35,720 OD. $47,080 Dillon Company incurred the following costs while producing 520 units: direct materials, $12 per unit; direct labor, $24 per unit, variable manufacturing overhead, $20 per unit, total fixed manufacturing overhead costs, 88,840; variable selling and administrative costs, $7 per unit, total fixed selling and administrative costs, $5,200. There are no beginning inventories est What is the unit product cost using absorption costing? O A. $90 per unit OB. $73 per unit O C. $56 per unit OD. $63 per unit The primary difference between variable costing and absorption costing is O A. in variable costing, variable selling and administrative costs are product costs OB. in variable costing, fixed manufacturing overhead is a product cost. O C. in absorption costing, fixed selling and administrative costs are product costs OD. in absorption costing, fixed manufacturing overhead is a product cost Doon Company incurred the following costs while producing 550 units: direct materials, $5 per unit, direct labor, $21 per unit , variable manufacturing overhead, $11 per unit, total fixed manufacturing overhead costs, $9,900; variable selling and administrative costs $8 per unit, total fixed selling and administrative costs, $6,600. There are no beginning inventories What is the operating income using absorption costing if 550 units are sold for $120 each? OA. $24.750 B. $30.750 OC. $14,250 OD. $16,770 Dillon Company incurred the following costs while producing 600 units: direct materials, $7 per unit; direct labor, $26 per unit, variable manufacturing overhead, $14 per unit total fixed manufacturing overhead costs, $13,200; variable selling and administrative costs $6 per unit, total fixed selling and administrative costs, $8,400. There are no beginning inventories What is the unit product cost using variable costing? A. $47 per unit OB. $53 per unit OC. $69 per unit OD. $89 per unit 7