Correctly complete the following statements. Independent demand and dependent demand differ in that A. independent demand is certain and is determined from a planned production schedule for finished goods, while dependent demand is uncertain and therefore needs to be forecast. B. inventory levels of independent demand items may be managed with a requirements philosophy, while inventory levels of dependent demand items may be managed by a replenishment philosophy. C. finished goods typically experience independent demand, while components of a product experience dependent demand. D. service firms experience dependent demand, while manufacturing firms experience independent demand.