Using exponential smoothing with alpha $=0\mathrm{.}40$ and a forecast for year $1$ of $6\mathrm{.}0,$ provide the forecast from periods $2$ through $12($round your responses to one decimal$$ place$).$

Year

$1$

$2$

$3$

$4$

$5$

$6$

$7$

$8$

$9$

$10$

$11$

$12$

Forecast

$6\mathrm{.}0$

$$

$6\mathrm{.}4$

$$

$7\mathrm{.}4$

$$

$6\mathrm{.}4$

$$

$7\mathrm{.}4$

$$

$9\mathrm{.}6$

$$

$9\mathrm{.}0$

$$

$10\mathrm{.}2$

$$

$11\mathrm{.}3$

$$

$10\mathrm{.}4$

$$

$10\mathrm{.}6$

$$

$9\mathrm{.}2$

Part $3$

Provide the forecast from periods $2$ through $12$ using the naive approach $($enter your responses as whole$$ numbers$).$