Answer:
D. Online entry with immediate processing.
Explanation:
Just in time is an inventory technique that is used to reduce the amount of inventory that a business has on hand. The business forecasts it's need and makes provision to meet it. An advantage of this is that it reduces inventory storage costs.
The data in this technique needs to be current, so online entry is done with immediate processing. This ensures that the master file is always updated to effectively meet business needs of inventory.