At Jakarta Company, the packaging department began September with 9,000 units in work-in-process inventory, all of which were completed and transferred out during September. An additional 6,000 units were started during the month, 4,000 of which were completed and transferred out during September. A total of 2,000 units remained in work-in-process inventory at the end of September. What is the total number of units to be accounted for? 9,000 17,000 13,000 15,000 6,000 Ace Company sells lawn mowers for $250 per unit. Contribution margin per unit is $40, and fixed costs total $4,000. Ace Company would like to make a profit of $80,000. What is the variable cost per unit and the contribution margin ratio? $160; 20% $210; 84% $160; 80% $210; 16% Ace Company sells lawn mowers for $300 per unit. Contribution margin per unit is $25 and fixed costs total $19,000. Ace Company would like to make a profit of $24,000. How many units must be sold to achieve the profit of $24,000? 2,040 760 1,720 960