$($

a

$)$

$$Linear Trend

$-$

find forecast for periods

$1$

$6$

$$to

$2$

$0$

$($

find the value of a and

$$

$$followed by defining a linear trend

equation, and then use it for forecasting periods

$1$

$6$

$$to

$1$

$0$

$)$

$$and

$($

b

$)$

$$Trend adjusted exponential smoothing, Use

$$

$=$

$.$

$4$

$$and

$$

$=$

$.$

$3$

$-$

$$find forecast for period

$1$

$6$

$.$

$($

$2$

$0$

$$points

$)$

Use Excel to verify your answer

$-$

$$but show intermediate steps to receive full credit.

a

$.$

Part

$($

b

$)$

$$Initial Trend

$=$

$2$

$2$

$8$

$-$

$2$

$0$

$0$

$3$

$=$

$9$

$.$

$3$

$3$