The Cool$-$Tech Company produces various types of fans. In May, the company produced $1,728$ window fans at a standard price of $$40\mathrm{.}00.$ The company has $12$ direct labor employees. During May, window fans were produced on $9$ working days $($of $8$ hours each$),$ and other products were produced on other days. Determine the labor productivity of the window fans. $(1$ point$)$