Given a text T, and several options, according to the question posed in the text T to choose the most appropriate option from the options as the answer, please directly output the most appropriate option, do not need to output the explanation.

Which of the following most likely signals that a manufacturing company expects demand for its product to increase?
Option A:Finished goods inventory growth rate higher than the sales growth rate
Option B:Higher unit volumes of work in progress and raw material inventories
Option C:Substantially higher finished goods, with lower raw materials and work-in-process

Answer: B