Which One of the Following Statements Is True

Multiple Choice

Which one of the following statements is true?

A) Plant or facilities management involves ensuring sufficient capacity or maximum output is available.
B) People or labor management involves hiring and maintenance of a sufficiently skilled work force.
C) Parts or inventory management involves tradeoffs between maintaining huge amounts of inventory to ensure any demand for the product can be readily met and the costs associated with maintaining huge amounts of inventory.
D) All of the above.