ABC Company wants to buy a molding machine that can be integrated into its computerized manufacturing process. It has received three bids for the machine and related manufacturer's specifications. The bids range from $3,500,000 to $3,550,000. The estimated annual savings of the machines range from $260,000 to $270,000. The payback periods are almost identical and the net present values are all within $8,000 of each other. The president just doesn't know what to do about which vendor to choose since all of the selection criteria are so close together. What suggestions do you have for the president