In Chapter $3,$ Table $3\mathrm{.}1,$ forecasting is discussed and the internal moves to be considered are demonstrated. Using this, please complete the following table: Item Engineer $1$ Engineer $2$ Beginning headcount $500250$ Transfer in by promotion $020$ Transfers out by promotion $100100$ Exits from the company $50(10\%)20(8\%)$ Remaining headcount after exchanges Gap to be filled by new hiring