Question: Understanding the effects of operating leverage High Tech, Company, & Old time firm compete with in the same industry & had the following operating results in 2008:
|   | High Tech | Old-time Co. | 
| Sales | $2,100,000 | $2,100,000 | 
| Variable expenses | 420,000 | 1,260,000 | 
| Contribution Margin | $1,680,000 | $840,000 | 
| Fixed expenses | 1,470,000 | 630,000 | 
| Operating income | $210,000 | $210,000 | 
Required;                                                                                                        
 [1] Describe why an equal percentage (%) increase [or decrease] in sales for each firm would have such differing effects on operating income.
 
 [B] Compute the ratio of contribution margin to operating income for each firm in 2008. [Suggestion:  Divide contribution margin by operating income.]
 
 [C] Multiply the expected increase in sales of 20 percent for 2009 by the ratio of contribution margin to operating income for 2008 calculated in requirement F) for each company. [Suggestion:  Multiply your answer in requirement F by .2]