Power Pumps produces a variety of commercial sump pumps. One of their models-Mighty Moris produced in a small plant in Missouri. Next year, Power Pumps anticipates on selling 2,301 units of the Mighty Mo. Each requires six rotors, which Power Pumps purchases from an overseas supplier. The cost of placing an order to this supplier is $ 322 while the unit cost of the rotor is $72. The holding cost for Power Pumps is 10% of purchasing price. How many times per year would Power Pumps have to place an order? Please round UP your answer and DO NOT PUT ANY UNITS IN THE BOX BELOW (JUST THE NUMBER)