All of the following are considered to be instrumentalities of transportation and communication for purposes of inland marine insurance EXCEPT

Greg, a young entrepreneur, has developed an aggressive business plan and is presenting his profit projections on the popular show Shark Tank in hopes of securing some venture capital

He concludes his presentation with an LP model of his planned product mix, and is convinced he will seal the deal by demonstrating that his profits are limitless since his LP model is unbounded. What should the sharks tell him? A) "Limitless profits sound fantastic, here's a blank check." B) "Limitless profits are possible only in minimization models, and we want you to maximize profits." C) "Unlimited profits aren't possible. You must have made a mistake in your LP model." D) "Limitless profits are possible only in maximization models, and we want you to minimize profits."

The northwest-corner rule is best used:

A) to minimize the total shipping cost from several origins to several destinations. B) to calculate whether a feasible solution is also an optimal solution. C) to calculate how much to transfer from one shipping route to another. D) to generate an initial feasible solution to a transportation problem. E) to resolve cases of degeneracy in transportation problems.