Singh Enterprises has an accounting year to 31 December. On 1 January 2002 the business purchased a machine for 10,000. The machine had an expected useful life of four years and an estimated residual value of 2,000. On 1 January 2003 the business purchased another machine for 15,000. This machine had an expected useful life of five years and an estimated residual value of 2,500. On 31 December 2004 the business sold the first machine purchased for 3,000. Required: Show the relevant profit and loss account extracts and balance sheet extracts for the years 2002, 2003 and 2004.