The operations planning practice of inputting sales forecasts into computer software that accurately predicts the amount and timing of materials needed to complete products and projects is .

"Materials requirement planning" is the correct answer for the above question.

Explanation:

The "Materials requirement planning" is a software system that is used to hold the record of the raw materials. It is used to tell about the material which is present in the stocks. It also used to schedule the delivery.This software is used to enhance the productivity of the company. The above question asked about the software which is needed to keep the record of the raw material. This software is known as "Materials requirement planning".

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