Which supply chain planning function determines how much product is needed to satisfy all customer demands?

My answer is   ==========  Demand planning

Thanks

I will wait with you experts answers

damand planning, in order to avoid over stock

i fully agree with the answers been added by experts..........thanks.

C) Demand planning>>>>>>>>>>>>>>>>>>>>>>>

The Answer is Demand Planning.

Effective demand planning can guide users to improve the accuracy of revenue forecasts, align inventory levels with peaks and troughs in demand, and enhance profitability for a given channel or product.

The mission of Logistics and Operations Management is to produce the appropriate goods or services in the right quality and quantity, and to distribute them to the right place at the right time, thereby making the greatest contribution to the organization. In a business environment, Logistics and Operations Management encompasses the design, implementation and management of systems for efficient deployment of personnel, physical facilities, raw materials, in-process inventories, finished goods and related information or services. Logistics and Operations Management covers the whole supply chain, from the acquisition of raw materials, through production, to the point of consumption. Logistics and Operations Management analysts must be proficient in the use of quantitative models and computers, and communicate effectively.

Choice-C        Demand planning

demand planning is the right answer

thank you for inviting me to answer but I admit that I am not expert in this field. Thank you again.

It is difficult to judge 100% demand for a particular product. Hence demand planning function will play a very vital role in determining how much will be the demand for a particular product.