I need help with this questions True or. False

6) One of the functions of a purchase requisition is to get possible price quotes for items from its suppliers. 7) The main objective of an effective supply strategy consists of connecting internal users of purchased goods and services. 8) The judgements made in supply organization could impact the P&L. 9) To obtain delivery, quality or cost objectives, top companies tend to expand the size of their supplier base 10)According to the text, early supply involvement occurs when supply managers lead any new product development teams. 11)The degree of uncertainty within a supply chain is a key determinant of the How much to buy? question.