Sobota Corporation has provided the following partial listing of costs incurred during August:

Marketing salaries 51,700
Property taxes, factory 18,900
Adminstrative travel 100,800
Sales commissions 50,000
Indirect labor 45,000
Direct materials 168,100
Advertising 144,300
Depreciation of production equipment 42,200
Direct labor 90,800
Required:

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

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