What are the two most important cost considerations in queuing problems?

a. cost of line management and cost of marketing
b. cost of providing service and cost of marketing
c. cost of lost time waiting and cost of marketing
d. cost of providing service and cost of waiting time

John has served as the chief operating officer (coo) for business graphics, inc., a publicly owned firm, the past 5 years. which of the following statements about john is correct? both john and the ceo of business graphics must certify to the sec that the firm's financial statements are accurate. as the coo, john will be ranked higher than the ceo but still below the cfo. in john's postition as the coo, it is highly unlikely that he would also be the chairperson of the board of directors. as the coo, john would typically be involved with accounting, finance, and asset purchase decisions.