Q19-In a PERT network, non-critical activities that have little slack need to be monitored closely: because PERT treats all activities as equally important.

because small variation in noncritical activity may cause change in critical path.

because slack is undesirable and needs to be eliminated.

because they are causing the entire project to be delayed

What is the key to success in integrating both lethal and nonlethal activities during planning? including stakeholders once a comprehensive operational approach has been determined knowing the commander's decision making processes and "touch points" including stakeholders from the very beginning of the design and planning process including the liaison officers (lnos) in all the decision points?

Aminor has the legal right to repudiate

You are considering the purchase of one of two machines used in your manufacturing plant. machine 1 has a life of two years, costs $20,000 initially, and then $4,000 per year in maintenance costs. machine 2 costs $25,000 initially, has a life of three years, and requires $3,500 in annual maintenance costs. either machine must be replaced at the end of its life with an equivalent machine. using eac which is the better machine for the firm