From the previous question, your data should be in an Excel "Table".

The first column contains data that looks like the data given below. Using text manipulation commands like Left, Right etc, extract the Month string, and place it in a column called Month. Assume you created a helper column called "dash".$\backslash$table$[[$Year$-$Month,$-\backslash$Region$\backslash$Group$\backslash$Product$,$Units $>,$Revenue$],[2021-$August,$\backslash$south$\backslash$milk$\backslash$low fat,$805,$$$3,187\mathrm{.}80],[2021-$March,$\backslash$south$\backslash$ice cream$\backslash$Edies$,992,$$ $3,412\mathrm{.}48],[2021-$January,least$\backslash$milk$\backslash$skim$,712,$$$1,808\mathrm{.}48],[2020-$March,Inorth$\backslash$ice cream$\backslash$Edies$,904,$$ $2,260\mathrm{.}00],[2020-$January,$\backslash$southlice cream$\backslash$Edies$,647,$$$2,076\mathrm{.}87],[2019-$September,Iwest$\backslash$lfruit$\backslash$plums$,739,$$$1,707\mathrm{.}09],[2020-$March,least$\backslash$milk$\backslash$low fat,$974,$$$2,181\mathrm{.}76],[2021-$June,

orth$\backslash$fruitlapples$,615,$$$1,894\mathrm{.}20],[2021-$July,Iwest$\backslash$fruitlcherries$,716,$$$1,856\mathrm{.}40],[2020-$May,$\backslash$south$\backslash$cereal$\backslash$Special K$,703,$$$1,553\mathrm{.}63],[2019-$June,Iwestlice cream$\backslash$Edies$,555,$$ $2,064\mathrm{.}48],[2020-$October,least$\backslash$cereal$\backslash$Raisin Bran,$644,$$ $1,809\mathrm{.}64],[2019-$June,$\backslash$south$\backslash$fruit$\backslash$grapes$,919,$$$2,196\mathrm{.}41],[2021-$May,$\backslash$west$\backslash$milk$\backslash$skim$,767,$$$1,932\mathrm{.}84],[2021-$June,Iwest$\backslash$cereal$\backslash$Raisin Bran,$984,$$ $1,987\mathrm{.}68],[2019-$March,$\backslash$south$\backslash$cereal$\backslash$Raisin Bran,$744,$$$2,217\mathrm{.}12],[2021-$September,leastlice cream$\backslash$Edies$,693,$$$2,189\mathrm{.}88],[2020-$October,least$\backslash$milk$\backslash$chocolate$,658,$$$1,895\mathrm{.}04],[2019-$November,leastlice cream$\backslash$Breyers$,878,$$$3,274\mathrm{.}94],[2019-$May,$\backslash$south$\backslash$ice cream$\backslash$Breyers$,848,$$$3,281\mathrm{.}76],[2021-$August,$\backslash$south$\backslash$milk$\backslash$low fat,$547,$$ $1,247\mathrm{.}16],[2019-$June,$\backslash$westlice cream$\backslash$Edies$,664,$$$1,513\mathrm{.}92],[2021-$April,Isouthlice cream$\backslash$Edies$,882,$$$2,716\mathrm{.}56],[2021-$February,Iwest$\backslash$lfruit$\backslash$plums$,930,$$ $2,408\mathrm{.}70],[2019-$November,least$\backslash$cereallSpecial K$,735,$$$2,594\mathrm{.}55],[2021-$July,Inorthlice cream$\backslash$Edies$,557,$$$1,542\mathrm{.}89]]$