A) the number of jackets to be produced to maximize profit is 35 (the point above the intersection of the Marginal Cost (MC) and the Average Total Cost (ATC).
Average Total Cost (AVC) is computed by dividing the total quantity produced by the total cost used in producing it.
B) The firm will be Indifferent at the point where MC = ATC because at least, it is able to cover sunk costs. At the point where MC = AVC however, it will most likely shut down because it is now incurring losses. Revenue is no longer sufficient at this point to cover Average Total Costs, how much more Average Variable Cost.
C) with regards to profits or losses:
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