Final answer:
When deciding whether to make or buy a part, JDI, Inc. should analyze costs, capabilities, core competencies, and strategic objectives.
Step-by-step explanation:
In making the decision whether to make or buy a part, JDI, Inc. should consider several factors. First, they should compare the costs and capabilities of making the part in-house versus purchasing it from an external supplier. They should also assess their core competencies and focus on their areas of expertise. Additionally, they should consider the quality control, lead time, and reliability implications of both options. Ultimately, the decision should be based on a cost-benefit analysis and the company's overall strategic objectives.