1.Variable costs as a percentage of sales for Lemon Inc. are 78%, current sales are $524,000, and fixed costs are $192,000. How much will operating income change if sales increase by $38,300?
a.$8,426 decrease
b.$8,426 increase
c.$29,874 increase
d.$29,874 decrease
2.Strait Co. manufactures office furniture. During the most productive month of the year, 3,700 desks were manufactured at a total cost of $84,000. In the month of lowest production, the company made 1,300 desks at a cost of $64,500. Using the high-low method of cost estimation, total fixed costs are
a.$19,500
b.$53,919
c.$84,000
d.$64,500
1.
Contribution margin ratio = 1 - Variable cost ratio = 1 - 78% | 22% | ||
Increase in operating income = Increase in sales * Contribution margin ratio = 38300 * 22% | 8426 | Increase | Option b |
2.
Total cost | Desk manufactured | |
High level of activity | 84000 | 3700 |
(-) Low level of activity | 64500 | 1300 |
Difference | 19500 | 2400 |
Variable cost per desk = Difference in total cost / Difference in desk manufactured = 19500 / 2400 | 8.13 | |
Now let us calculate the total fixed cost from the data of high level of activity | ||
Total cost = ( Desk manufactured * Variable cost per desk ) + Total fixed cost | ||
84000 = ( 3700 * 8.13 ) + Total fixed cost | ||
84000 = 30081 + Total fixed cost | ||
Total fixed cost = 84000 - 30081 | 53919 | Option b |
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