Assume a company makes four products (A,B,C, and D) in a single facality. Data concerning these products appear below: The milling machines are the constraint in the production facility. A total of 13,500 minutes is avallable per month on these machines. The highest ossible contribution margin that the company can earn if it makes optimal use of its constraining resource is closest to: (Round "Contribution margin er minute" to 2 decimal places.)