$33$ a$)$ Forecast demand for each week, including week $10,$ using exponential smoothing with $\backslash$alpha $=0\mathrm{.}50($initial forecast $=20\mathrm{.}00).$ The forecast for weeks $2$ through $10$ using exponential smoothing are $($round your responses to two decimal places$)$: b$)$ Compute the MAD. For the forecast developed using exponential smoothing, the MAD$=$ sales $($round your response to two decimal places$).$ c$)$ Compute the tracking signal. For the forecast developed using exponential smoothing, the tracking signal $=($round your response to two decimal places$).$