Eight Flags operates several amusement parks in the Midwest. The company stocks machine oil to service the machinery for the many rides at the parks. Eight Flags needs 30,000 gallons?(D) of oil?annually; the parks operate 50 weeks a year. Management is unsatisfied with the current supplier of oil and has obtained two bids from other suppliers. The data are contained in the following attached table:

Annual Freight Costs Shipping Quantity (Q) Price/Unit Annual Holding Lead Time (L) Annual Administrative Supplier 5,000 10,000 15,000 (p) Cost/Unit (H) (wks) Cost Sharps $4,800 $3, 100 $2,800 $4. 10 $0.82 $4,000 Winkler $5,200 $3,600 $3,300 $3.70 $0.74 $4,500