1 You are working for Advance Technology, a company that produces three different devices for the military. The three devices that you produce are Main-bus Servo Modules, Secondary Trigger Activators, and Guidance Couplers. Advance Technology has two manufacturing facilities, the Croswell facility and the Grass Lake facility. Each day, the Croswell facility can produce 8 Main-bus Servo Modules, 4 Secondary Trigger Activators, and 4 Guidance Coupler at a cost of $1,800. Each day, the Grass Lake facility can produce 6 Main-bus Servo Modules, 12 Secondary Trigger Activators, and 2 Guidance Couplers at a cost of $1,600. An order from the U.S. Navy for 210 Main-bus Servo Modules, 150 Secondary Trigger Activators, and 90 Guidance Couplers is received. Your boss has assigned to you the task of determining the number of days that each facility should operate to meet the order placed for the three devices at a minimum cost to your company. Your final answer is to be in the form of a sentence. Show your solution. (20 points)