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.
The convenient La Crosse Digital Atomic Clock with Temperature and Moon Phase automatically sets your time and date, and also resets itself at daylight saving time, so you don't have to fuss with it. Its eye-catching style looks great on a wall or desk.