A partial listing of costs incurred at Spartech Corporation during July appears below: Direct Materials $100,000

Utilities Factory $12,000

Sales Commissions $10,000

Administrative salaries $120,000

Rent on Factory Space $40,000

Security Services for Factory $30,000

Advertising $120,000

Depreciation of Production Equipment $50,000

Direct Labor $140,000

Depreciation of Administrative Equipment $40,000

Insurance on Factory Equipment $20,000

Required: a. What is the total amount of product cost listed above?

b. What is the total amount of period cost listed above?