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please complete that for me

Example 1 - fixed assets ABC Ltd acquired a machine on 1 Jan 2013 at a cost of 300,000. . The useful life was set at 4 years, RV. Tax authorities allow wear & tear over 3 years. Tax rate is 30%.Company year end is Dec. Profit before tax is 100,000 per annum Calculate the current tax for the 4 yrs (13-16)