I need some help these question , using own words no copy paste answer. please thank you ..

• What is the difference between product costs and period costs?
• What are the components included in each of the three (3) types of inventory in a manufacturing operation?
• What are the components of the cost of services provided by a service firm?
• What is the difference between direct and indirect costs?Why is it important to properly identify the differences?
• Explain why are 'product costs' calledinventoriablecosts.
• When are 'product costs' (inventoriable costs) recognized as expenses?