Unformatted text preview: rating leverage also depends on the base level of sales used as a point of reference. The closer the
base sales level used is to the operating breakeven point, the greater the operating leverage. Comparison of the
degree of operating leverage of two firms is valid only when the same base level of sales is used for both firms. 514 PART 4 Long-Term Financial Decisions Whenever the percentage change in EBIT resulting from a given percentage change
in sales is greater than the percentage change in sales, operating leverage exists.
This means that as long as DOL is greater than 1, there is operating leverage.
EXAMPLE Applying Equation 12.4 to cases 1 and 2 in Table 12.4 yields the following results:5
Case 1: 100%
50% 2.0 Case 2: 100%
50% 2.0 Because the result is greater than 1, operating leverage exists. For a given base
level of sales, the higher the value resulting from applying Equation 12.4, the
greater the degree of operating leverage.
A more direct formula for calculating the degree of operating leverage at a
base sales level, Q, is shown in Equation 12.5.6
DOL at base sales level Q
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