Question $6$ options:

Use a TSD forecasting model with the following parameters

Period $145$ was January

The model has already been estimated with results shown below. This question is asking you to use the model to forecast the requested time period

Month

Si

Jan

$0\mathrm{.}38$

Feb

$0\mathrm{.}46$

Mar

$0\mathrm{.}67$

Apr

$0\mathrm{.}90$

May

$1\mathrm{.}29$

Jun

$1\mathrm{.}45$

Jul

$1\mathrm{.}60$

Aug

$1\mathrm{.}71$

Sep

$1\mathrm{.}50$

Oct

$1\mathrm{.}20$

Nov

$0\mathrm{.}45$

Dec

$0\mathrm{.}39$

T $=960,675+16115*$P $-160*$P$2+\mathrm{.}64*$P$3$

Where,

P$=$time period

What is the Seasonally adjusted $($SA$,$ trend$)$ forecast for period $149?$

No decimal places or commas

What is the forecast for period $149$ with seasonality?

Hint multiply by the matching Si

No decimal places or commas