If a firm produced a standard item with relatively stable demand, the smoothing constant alpha $($reaction rate to differences$)$ used in an exponential smoothing forecasting model would tend to be in which of the following ranges?

Multiple Choice

$20\%$ to $80\%$

$60\%$ to $120\%$

$5\%$ to $10\%$

$20\%$ to $50\%$

$90\%$ to $100\%$