$q,$ includes the planning, executing, and controlling of all activities involved in raw material sourcing and procurement, converting raw materials to finished products, and the warehousing and delivery of finished product to customers.

$$ a$)$ Supply chain management $($SCM$)$

$$ b$)$ Materials requirement planning $($MRP$)$

$$ C$)$ Customer relationship management $($CRM$)$

$$ d$)$ Maintenance, repair, and operations $($MRO$)$