$\mathrm{.}4\mathrm{.}22)$ Refer to problem $4\mathrm{.}21.$ Complete the trend$-$adjusted exponential smoothing forecast compuations for periods $7,8,$ and $9.$ Confirm that your numbers for Ft$,$ Tt$,$ and FITt match those in table $4\mathrm{.}2$