[Ordering model:] A company manufactures motors. It buys the coil (a component used in the motor) from a vendor at a price of $14 per unit. Assume there are 300 business days in a year and the company assembles 40 motors a day (daily demand or usage), or 12000 motors per year. Inventory holding cost rate is 20% of the value of the coil per unit per year and ordering cost is $ 22 per order. (1) If the company orders 3000 units each time, what is the total cost? $[ (2) What is the cycle time in days under the current ordering policy of 3000 shirts? (3) What is the optimal ordering quantity that minimizes the total cost? (two decimal points) days. (two decimal points) days. (two decimal points)