This is a graded online discussion. It is worth 2.5 points. The topic is... Just-in-time (JT) systems are promoted as a key way to attain high efficiency and low cost. Much of the discussion in the text addresses both the techniques and the benefits associated with JIT systems. 1. Do you think these benefits are recognized by most purchasers who implement JIT systems? 2. Do you think buyers' JIT systems raise or lower their vendors' costs? 3. If you think they lower vendors' costs, explain how. If you think they raise vendors' costs, explain what vendors can do to preserve their profitability.