18. Portman Company's activity for the first thi January February March Machine Hours e first three months of 2016 are as follows: 2.100 2,600 Electrical Cost $4,800 2,900 19. $5,800 $6,400 uch is the cost per machine hour? Using the high-low method, how much is the co a $2.00 b. $3.00 C. $2.26 d. $1.78 A division sold 200,000 calculators during 20 Sales Variable costs: Materials Order processing Billing labor Selling expenses Total variable costs Fixed costs How much is the unit contribution margin? a. $1.00 b. $3.50 C. $8.50 $2,000,000 $380,000 150,000 110,000 60,000 C margin? 700,000 1,000,000 d. $6.50 20. A company has total fixed costs of $240,000 and a contribution margin ratio of 20%. The total sales necessary to break even are a. $960,000. b. $1,200,000 $300,000 d. $288,000. Section 2 Problems: (20 points each): Problem # 1 Hayward Industries manufactures dining chairs and tables. The follow is available: ar m al Dining Chairs Tablen Machine setups Inspections Labor hours 200 25