Dom has always prepared his accounts to 31 March. On 31 March 2020 Dom has ceased trading. The tax written down value of the main pool at 1 April 2019 was $15,000.

On 1 January 2020 Dom purchased a laptop solely for business use costing $4,500.

On 31 March 2020 all the items in the main pool were sold for $14,550 apart from the laptop which was retained by Dom. The market value of the laptop at 31 March 2020 was $4,150. None of the items in the main pool was sold for more than its original cost.

What is the balancing allowance OR (balancing charge) on cessation of trading for the year ended 31 March 2020?