In my opinion, we ought to stop making our own drums and accept that outside supplier's offer," said Wim Niewindt, managingdirector of Antilles Refining, N$.$V$.,$ of Aruba. $"$At a price of $90$ florins per drum, we would be paying $10$ florins less than it costs us tomanufacture the drums in our own plant. Since we use $200,000$ drums a year, we would save $2,000,000$ florins on an annual basis$\mathrm{.}7($The currency in Aruba is the florin, denoted by Afl.$)$ Ant!es Refining's present cost to manufacture one drum follows $($based on$200,000$ drums per year$)$: