First, we take into account the benefit and cost given in the problem. The benefit, which is $2 is a dollar lesser compared to the cost that would be incurred should the business opt to produce one more roast beef. This, of course, tells us that an additional roast beef will just impose an additional $1 cost. Thus, the answer should be the last choice.
It is the Continuous Flow Production Process. It is a stream creation strategy used to fabricate, deliver, or process materials without intrusion. Consistent generation is known as a persistent procedure or a nonstop stream process in light of the fact that the materials, either dry mass or liquids that are being prepared are constantly in movement, experiencing synthetic responses or subject to mechanical or warm treatment. Persistent handling is diverged from group generation.
Both but fixed goes first so a is correct