Flight Company Makes Luggage Desired Ending Inventory Is 20% of the Next Month's Sales

Flight Company makes luggage.One popular model is the Traveller (a 50 cm wheeled carry-on).Budgeted sales for this model are: $\begin{array}{ll}\text { Month }&\text { Unit Sales }\\\text { March } & 28,000 \\\text { April } & 35,000 \\\text { May } & 48,000 \\\text { June } & 80,000\end{array}$ Desired ending inventory is 20% of the next month's sales.Inventory on March 1 is 3,500 units.Prepare a production budget for as many months as possible.