If setup times and costs can be reduced enough, the JIT ideal of "Lot Size = 1" can be achieved.

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Quizplus · Accepted Answer

JIT systems strive to achieve a lot size of 1, meaning that each item is produced or delivered exactly when needed, in the required quantity, and with minimal waste. If setup times and costs are reduced sufficiently, it is possible to achieve this ideal lot size. However, in practice, some level of batching and inventory may still be necessary to account for variations in demand, production capacity, or supplier lead times.

If Setup Times and Costs Can Be Reduced Enough, the JIT