Processing times, due dates, and arrival times of 8 jobs are given as follows: Job 1 2 3 4 5 6 7 8 Proc Time 6 8 3 11 5 2 4 9 Due Date 28 45 40 47 50 30 15 20 Arrival Time 0 32 10 10 4 5 0 12 a) (4 points) Apply the Critical Ratio rule to generate a schedule. Break ties with the smallest due date first. Calculate mean flow time, mean tardiness, and maximum tardiness of the schedule obtained in a).

Classify each of the following items as a public good, a private good, a natural monopoly good, or a common resource.(a) measles vaccinations (b) tuna in the pacific ocean (c) airline service in the united states (d) local storm-water system

Regarding the results of a swot analysis, organizational weaknesses are (a) internal factors that the organization may exploit for a competitive advantage (b) internal factors that the organization needs to fix in order to be competitive (c) mbo skills that should be emphasized (d) skills and capabilities that give an industry advantages problems that a specific industry needs to correct

You are the manager of a large crude-oil refinery. as part of the refining process, a certain heat exchanger (operated at high temperatures and with abrasive material flowing through it) must be replaced every year. the replacement and downtime cost in the first year is $165 comma 000. this cost is expected to increase due to inflation at a rate of 7% per year for six years (i.e. until the eoy 7), at which time this particular heat exchanger will no longer be needed. if the company's cost of capital is 15% per year, how much could you afford to spend for a higher quality heat exchanger so that these annual replacement and downtime costs could be eliminated?