d$.$ Use the Exponential Smoothing forecasting technique with an alpha of $0\mathrm{.}9$ determine the forecast for January $2018$ for the MS$-14001$ milling set and the RP$-14010$ set of $10$ dual$-$sided replacement tips using the December $2017$ actual demand. Assume the forecast for December $2017$ was $472$ for MS$14001$ and $148$ for RP$-14010.$

$483$&$175$

$475$&$172$

$401$&$163$

$474$&$148$