The following information was obtained from Westside, Inc.: Advertising Costs $11,600 Indirect Labor 8000 CEO's Salary 470,000 Direct Labor 53,000 Indirect Materials Used 8000 Direct Materials Used 390,000 Factory Utilities 840 Factory Janitorial Costs 1000 Manufacturing Equipment Depreciation 1700 Delivery Vehicle Depreciation 2110 Administrative Wages and Salaries 22,300 How much were Westside's period costs? $13,710 $503,900 O $506,010 $462,540