Very lost with these sample questions please help with some explanations

1. Which one of following reasons create pressure for reducing inventory:

• Quantity discount offered by the supplier
• On-line delivery requests for customer
• High cost of capital
• Need for better equipment utilization

2. Total factor productivity represents:

• Output not explained by inputs in production
• Output per total capital and labor in production
• Output per total capital in production
• Output per total labor in production

3. Level scheduling results in:

• Low finished good inventory
• Delayed product modification
• Lot of hiring and firing of employees
• Higher finished good inventory
• None of the above

4. Cost of aggregate planning does not include:

• Hiring and Layoff Costs
• Overtime Cost
• Obsolescence Cost
• Regular time cost

5. Inventory costs do not include:

• Holding and ordering costs
• Obsolescence Costs
• Product return costs
• Rework costs