As the number of order cycles per season increases, the leftover inventory increases, but at a decreasing

Question:

As the number of order cycles per season increases,
the leftover inventory increases, but at a decreasing marginal rate.
the leftover inventory increases, and at an increasing marginal rate.
the leftover inventory decreases, and at an increasing marginal rate.
the leftover inventory decreases, but at a decreasing marginal rate.

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