On 1st July 1991, William Purchased machinery for 60,000. Depreciation is to be provided for at 10% on diminishing balance each year. On 31st Oct, 1993 4 of machinery was sold for 6000 as they became useless. On the same date he purchased a new machinery for 20,000. Prepare machinery Account from 1991-1994. Accounts are closed on 31st December every year