Table $6-1.$ Actual Sales Data

Time Period Actual

Sales

$1345$

$2378$

$3425$

$4450$

$5470$

$6500$

$7532$

$8548$

$9590$

$10625$

$11650$

Refer to Table $6-1.$ Using the exponential smoothing model with an $\backslash$alpha of $0\mathrm{.}2$ and a smoothed forecast for $1$ period $,$ what is the forecast for period $4?$

a$.$

$355$

b$.$

$385$

c$.$

$366$

d$.$

$349$