Greeny Company is an eco-friendly manufacturing company. It provided the following information regarding its first year of operations: Administrative salaries $94,170 Factory depreciation $25,110 Indirect materials $6,280 Marketing expenses $62,780 Factory supervision salaries $43,940 Direct labor $125,560 Direct materials used $156,940 Research and development costs $50,220 Factory building rent $28,250 Sales revenues $678,000 Sales staff salaries $50,220 Headquarters building rent $26,680 Selling expenses $10,990 Do not enter dollar signs or commas in the input boxes. a) What is the total product costs? Direct materials used: $Answer Direct labor: $Answer Total overhead costs: $Answer Total product costs: $Answer b) What is the total period costs? Total period costs: $