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.
Convert lengths. Nuffield Free-Standing Mathematics Activity âConvert lengthsâ Student sheets Copiable page 1 of 3. Â© Nuffield Foundation 2011 â downloaded from www.fsmq.org. In this activity you will convert between metric. units of length: kilometres, metres, centimetres, and millimetres.