The East Company manufactures several different products. Unit costs associated with Product ORD203 are as followsS: Direct materialss $50 Direct manufacturing labor 8 Variable manufacturing overhead 10 Fixed manufacturing overhead 23 Sales commissions (2% of sales) 5 Administrative salaries 9 Total $105 When 10,000 units are produced, variable costs are $6 per unit. Therefore, when 20,000 units are produced: Select one: a. variable unit costs will decrease to $3 per