The business of Bernadette Williams purchased and sold a number of non-current assets. On 1 December 2021, the business purchased for cash a truck (motor vehicle) for $55 660 ($50 600 + $5060 GST) with a residual value of $5500 ($5000 + $500 GST), which is depreciated using the diminishing balance method at 35% p.a. On 31 March 2022, a computer system was finally installed and commissioned at a cost of $41 294 ($37 540 + $3754 GST). It is to be written off over three years using the straight line method of depreciation. A residual value of $1100 ($1000 + $100 GST) is estimated. On 31 August 2022, fixtures and fittings costing $13 167 ($11 970 + $1197 GST) were installed. Straight line depreciation method at 12.5% p.a. is to apply, with a nil residual value. On 1 October 2022, a truck with hydraulic loading/unloading facilities was purchased on credit at a cost of $84 788 ($77 080 + $7708 GST) and a residual value of $7700 ($7000 + $700 GST). The diminishing balance depreciation method at 35% p.a. is to be used.

On 31 January 2023, the truck purchased in December 2021 was sold for cash of $31 350 ($28 500 + $2850 GST). You are required to prepare:

a. a time line of the events from 1 July 2021 to 30 June 2023

b. depreciation worksheets to 30 June 2025

c. the general ledger disposal account covering the events above

d. an extract balance sheet as at 30 June 2025.