On 30 June 2016, an extract of the statement of financial position prepared for internal purposes, but excluding the effect of income tax, disclosed the following:

Assets$Cash80,000Inventory200,000Accounts receivable85,000Allowance for doubtful debts(15,000)Machinery500,000Accumulated depreciation(50,000)Goodwill100,000LiabilitiesAccounts payable160,000Long-service leave50,000Rent received in advance20,000

Additional information:

1. The following balances existed at 1 July 2015:

Deferred tax asset $10,000

Deferred tax liability 12,000

There have been no recorded changes to these balances since 1 July 2015.

2. The machinery was acquired on 1 July 2015. Depreciation for accounting purposes was 10% per annum (straight-line method), while 20% per annum (straight-line method) was used for tax purposes.

3. The tax rate is 30%.

The future deductible amount for the machinery as at 30 June 2018 is: