Please help answer required questions 1-3

PROBLEM 7-28 Make or Buy Analysis [LO 7-3] In my opinion, we ought to stop making our own drums and accept that said Wim Niewindt, per drum, we would be paying $5 less than it costs us to manufacture the drums in our own plant. outside supplier's offer, managing director of Antilles Refining. N.V.. of Aruba. "At a price of S18 0 drums a year, that would be an annual cost savings of $300.000." Antilles Refining's current cost to manufacture one drum is given below (based on 60,000 cd