An inventory decision rule states, When the inventory level goes down to $14$ gearboxes, $1000$ gearboxes will be ordered. Which of the following statements is TRUE?A$.$ Fourteen is the reorder point, and $100$ is the order quantityB. The number $14$ is lead timeC. Fourteen is the safety stock, and $100$ is the reorder pointD. One hundred if the reorder point, and $14$ is the order quantityE. The number $100$ is lead time