A greeting card company incurred the following costs associated with running its business last month cardstock (thick paper), 59,940 ; ink, stickers, ribbons, and other card attachments, $7,640; rent an office space, $1,540; rent on factory space, $2,410; office salaries $5,340; factory labor, $9,040; and advertising. $990. How much were its total product costs last month? Total product costs How much were its total period costs last month? Total period costs