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 is the super duper cheater way to easily calculate what a date or time might be like when you add or subtract a certain amount of time. You can add 3 months, or 15 quarters, or 7134.5 hours. Here's what you can add or subtract: s Seconds. n Minutes. h Hours. d Days. w Weekdays. ww Weeks. m Months.