Golfing Enterprises Produces Golf Clubs Inventory at the Beginning of the Year Was 4,000 Golf

Golfing Enterprises produces golf clubs.Golfing Enterprises has the following sales projections for the upcoming year:
$$\begin{array} { | l | l | } \hline \text { First quarter budgeted golf club sales in urits } & 20,000 \\\hline \text { Second quarter budgeted golf club sales in urits } & 35,000 \\\hline \text { Third quarter budgeted golf club sales in urits } & 22,000 \\\hline \text { Fourth quarter budgeted golf club sales in urits } & 30,000 \\\hline\end{array}$$ Inventory at the beginning of the year was 4,000 golf clubs.Golfing Enterprises wants to have 20% of the next quarter's sales in units on hand at the end of each quarter.How many golf clubs should Golfing Enterprises produce during the first quarter? Show your calculations.