Which of the following are true of a Material Requirements Planning $($MRP$)$ systems:

I. The master production schedule gives you a description of all raw materials and intermediate assemblies required to create a finished product.

Il$.$ The bill of materials is a statement of independent demand for all inventory items in an MRP system.

III. When performing MRP calculations, the planned order releases of an item are incorporated into the gross requirements of any child of that item, multiplied by the number of the child items required to create one of the parent items.