To be deductible, a business expense must be both ordinary and necessary. An ordinary expense is one that is common and accepted in your trade or business. A necessary expense is one that is helpful and appropriate for your trade or business. An expense does not have to be indispensable to be considered necessary. It is important to separate business expenses from the following expenses:
A duple meter metronome that is useful for 2/4, 2/8, 2/2 (cut time), and 6/8 when it has two beats per measure.
To learn more about lead and cycle time, we recommend these resources: 1  Using Metrics to Deliver Faster. 2  Kanban Calculations: How to Calculate Cycle Time. 3  Why Vanity Metrics Are Dangerous: Holding a Mirror Up to Your Measures of Success.