Answer:
Option A
Reduce the size of the inventory they carry.
Step-by-step explanation:
The just in time system is a method of production where goods are produced just to meet the needs of customer at exactly when they are needed.
In contrast to the traditional production system where goods are are produced in advance of customers order, Just in time seeks to reduce all the inefficiencies and cost associated with keeping inventories .
Hence it aims to reduce the size of the inventory to be carried