Please help solve

Company: $5M$

$\backslash$table$[[$Year$,$Sales,$\backslash$table$[[$Linear$],[$trend$]],\backslash$table$[[3-$year$],[$Moving$],[$Average$]],\backslash$table$[[$Linear$],[$trend$],[$ERROR$]],\backslash$table$[[3-$year$],[$Moving$],[$Average$],[$ERROR$]],$Advertising,$\backslash$table$[[$Linear$],[$trend$]],\backslash$table$[[3-$year$],[$Moving$],[$Average$]],\backslash$table$[[$Linear$],[$trend$],[$ERROR$]],\backslash$table$[[3-$year$],[$Moving$],[$Average$],[$ERROR$]]],[2010,$$$26,662,,,,,$$$5,479,,,,],[2011,$$$29,611,,,,,$$$6,170,,,,],[2012,$$$29,904,,,,,$$$6,102,,,,],[2013,$$$30,871,,,,,$$$6,384,,,,],[2014,$$$31,821,,,,,$$$6,469,,,,],[2015,$$$30,274,,,,,$$$6,229,,,,],[2016,$$$30,109,,,,,$$$6,311,,,,],[2017,$$$31,657,,,,,$$$6,626,,,,],[2018,$$$32,765,,,,,$$$7,602,,,,],[2019,$$$32,136,,,,,$$$7,029,,,,],[2020,$$$32,184,,,,,$$$6,929,,,,],[2021,,?,?,,,,?,?,,]]$

Business Information:

Develop a linear trend forecast model and a $3-$year moving average fiecast model for both $$ales and advertising.

Create the corresponding graphs

Indicate which model is the best one to forecast those values