Blue Corporation incurred the following costs while manufacturing its product:

Materials used in product $100,000	Advertising Expense $50,000
Depreciation on plant $75,000	Property taxes on plant $15,000
Property taxes on store $7,500	Delivery Expense $20,000
Labor costs of assembly line workers $125,000	Sales Commissions $40,000
Factory supplies used $13,500	Salaries to sales clerk $50,000

Instructions:

Identify each of the above costs as direct materials, direct labor, manufacturing overhead, or period costs.

Explain the basic difference in accounting for product costs and period costs.