A small business financial data show that its inventory level of an item held steady at $1000$ units during the first $9$ months of the year. Sales accelerated during the last quarter in time for Christmas shopping, ending the year with only $20$ units left in stock. The company estimates the total inventory cost at $$\mathrm{.}10$ per unit per day. It sells the item at $$190$ per unit, a markup of $60\%$ over cost. Assess the company$$s inventory situation based on $($a$)$ simple inventory average based on starting and ending levels, and $($b$)$ the actual inventory average.

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