Sebree Corporation has provided the following contribution format income statement. Assume that the following information is within the relevant range. 
Using the degree of operating leverage, the estimated percent increase in net operating income as the result of a 5% increase in sales volume is closest to: (Round your intermediate calculations to 1 decimal place.)
Definitions:
Flashbulb Memory
A highly detailed, exceptionally vivid memory of the moment and circumstances in which a piece of shocking or emotionally arousing news was heard.
Peripheral Details
Information that is not central to the main subject but surrounds or complements it, often enhancing understanding or context.
Stored Information
Data or knowledge kept in the brain or another storage system, which can be retrieved when necessary.
Memory Recall
The process by which information is retrieved from past memories or learned data.
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