A greeting card company incurred the following costs associated with running its business last month: cardstock (thick paper), $10,000; ink, stickers, ribbons, and other card attachments, $7,700; rent on office space, $1,600; rent on factory space, $2,500; office salaries, $5,400; factory labor, $9,100; and advertising, $1,050. How much were its total product costs last month? Total product costs $ How much were its total period costs last month? Total period costs $ eTextbook and Media