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.
This feature is not available right now. Please try again later. This is a video showing how to change the units of measure on your Suunto Vector. Feet to meters, Celsius to Fahrenheit, feet/min to meters/min, and so on.1  Sports. 2  Standard YouTube License.his is a video showing how to change the units of measure on your Suunto Vector.