Management is interested in what would have been the impact on net profit before tax for the year ended 30 June 2016 and cash flow from operations for the year ended 30 June 2016 and the current ratio at 30 June 2016 (presently 2:1) if each of the following transactions had occurred in June 2016. To answer this question for each of the eight transactions below, state 'increase', 'decrease' or 'N/E' (no effect).

1. Purchase inventory on credit.

2. Sell goods on credit with 50 percent mark-up on cost.

3. Recognise accrued revenue of $18 000.

4. Capitalise research and development costs that had been treated as an expense.

5. Sell equipment with a book value of $50 000 (cost $180000) for $160 000.

6. Increase the allowance for doubtful debts by $20 000.

7. Receive a deposit of $10 000 on a job that will be commenced in the next financial year.

8. Depreciate equipment over a shorter period.