Using the notations 'increase', 'decrease' and 'no effect', indicate the effect on assets, liabilities, shareholders' equity and net profit before tax of failing to record each of the following independent transactions or events:
1. A $200 000 piece of equipment purchased on credit.
2. Inventory of $30 000 purchased on account.
3. Sale of inventory (costing $30 000) on credit for $50 000.
4. A loan received from the bank for $80 000.
5. Payment of wages of $100 000 for the period.