Use the following information for the next 3 Little's Law problems. A PLC repair facility receives two types of orders: international orders and domestic orders. International orders arrive into the International Processing Department at an average rate of 40 orders per hour. Domestic orders arrive into the Domestic Processing Department at an average rate of 70 orders per hour. If there are an average of 280 orders in the Domestic Processing Department, what is the average time an order spends in the Domestic Order Processing Department? 4 hours 4.5 hours O 2 hours O 3.5 hours 3 hours 2.5 hours O 1.5 hours O 0.5 hours