What is the cost of underage, or under$-$stocking, for Foxie?

Hint: Is the product a single$-$period or multi$-$period product? Can products be carried forward to the next order period? That will determine which $Cu$ calculation is appropriate.

$$4$

$$2\mathrm{.}50$

$$1\mathrm{.}75$

$$1\mathrm{.}50$