Briefly discuss the advantages and disadvantages of each of these planning strategies: A. Maintain a level rate of output and let inventories absorb fluctuations in demand. B. Vary the size of the workforce to correspond to predicted changes in demand requirements. C. Maintain a constant workforce size, but vary hours worked to correspond to predicted demand requirements. Be sure to support your comments with references from the literature and cite your sources using APA 6th edition formatting guidelines.