A greeting card company incurred the following costs associated with running its business last month: cardstock (thick paper), \$9.810; ink, stickers, ribbons, and other card attachments, \$7,510; rent on office space, \$1,410; rent on factory space, \$2,310; office salaries, $5,210; factory labor, $8,910; and advertising, $860. How much were its total product costs last month? Total product costs $ How much were its total period costs last month? Total period costs $