Question 4
Write a short essay about Controlling Inventory".​

Explanation:

The necessity of inventory control is to maintain a reserve (store) of goods that will ensure manufacturing according to the production plan based on sales requirements and the lowest possible ultimate cost.

Losses from improper inventory control include purchases in excess than what needed, the cost of slowed up production result­ing from material not being available when wanted. Each time a machine is shut down for lack of materials or each time sale is postponed or cancelled for lack of finished goods. Thus a factory loses money.

To promote smooth factory operation and to prevent piling up of stock or idle machine time proper quantity of material must be on hand when it is wanted. Proper inventory control can reduce such losses to a great extent.

there's 11 people for the 1st position. then, no matter who gets it, there's only 10 left for the second, and then 9 left for the third. 11 x 10 x 9 = 990.   the answer is there are 990 different ways the positions can be filled by these applicants