Which one of the following statements is​ false? A. The activities along the critical path determine the completion time of the project. B. If one of the activities on the critical path is​ delayed, the entire project will be delayed. C. There may be more than one critical path in a project network. D. The critical path is the sequence of activities between a​ project's start and finish that takes the shortest time to complete.

Atlas manufacturing produces a unique valve, and has the capacity to produce 50,000 valves annually. currently atlas produces 40,000 valves and is thinking about increasing production to 45,000 valves next year. what is the most likely behavior of total manufacturing costs and unit manufacturing costs given this change? a. total manufacturing costs will increase and unit manufacturing costs will also increase. b. total manufacturing costs will stay the same and unit manufacturing costs will stay the same. c. total manufacturing costs will increase and unit manufacturing costs will decrease. d. total manufacturing costs will increase and unit manufacturing costs will stay the same.