Chris Sandvig Irrigation, Inc., has summarized the price list from four potential suppliers of an underground control valve. See the table below. Annual usage is 900 valves; order cost is $12 per order, and annual inventory holding costs are $5.25 per unit. Vendor A Price $35.00 34.75 33.55 32.35 31.15 30.75 D Vendor BR Price $34.75 34.00 32.80 31.60 30.50 Quantity 1-14 15-24 25-99 100-199 200-399 400+ Which vendor should be selected and what order quantity is best if Sandvig Irrigation wants to minimize total cost? Chris Sandvig Irrigation should order (enter your response as a whole number). units at a time from Quantity 1-24 25-99 100-199 200-399 400+ Vendor C Quantity 1-49 50-149 150-299 300+ D Price $34.50 33.75 32.50 31.10 Vendor D Quantity 1-149 150-299 300+ Price $34.25 33.00 31.00

Which vendor should be selected and what order quantity is best if Sandvig imigation wants to minimze iotal cost? Chris Sandvig Irrigation should order units at a time from (enter your response as a whole number)