Question 1 2 pts Zippy company manufactured 10,000 units in December with a total product cost of $20,009 They had zero finished goods inventory at the start of December In December Zippy sold 7,488 units at a unit price of $6.98. Period expenses were $3,160. What is the amount of Zippy's gross profit (otherwise know as gross margin).? Round any intermediate calculations to four decimal places