How do I get the taxable income of $79,500 for these question?

https://www.chegg.com/homework-help/questions-and-answers/zeus-ltd-established-1-july-2018-share-capital-totalling-132-000-one-year-later-statement--q53167471?trackid=Ci3fTtPF

The amount i got is different from the given amount

A. Computation of current taxable income $ 80,000.00 Profit before Tax (A) Add: Disallowed Items as per income tax Depreciation on machinery Depreciation on vehicle Annual leave Warranty expense Doubtful debts expense 5,900.00 100.00 1,800.00 600.00 200.00 Less : Allowable deduction as per income tax Depreciation as per income tax Exempt income (14,300.00) (400.00) 73,900.00 A. Computation of current taxable income $ 80,000.00 Profit before Tax (A) Add: Disallowed Items as per income tax Depreciation on machinery Depreciation on vehicle Annual leave Warranty expense Doubtful debts expense 5,900.00 100.00 1,800.00 600.00 200.00 Less : Allowable deduction as per income tax Depreciation as per income tax Exempt income (14,300.00) (400.00) 73,900.00