I believe that the answer is price
She watched helplessly as the last days of the sun disapeared beneath the tops of the trees. Disappeared is spelled incorrectly
His/her
Since the sentence begins by clarifying that it is "each" lawyer's car that has to be parked, the pronoun has to be singular to agree with 'each'. If it were "all lawyers", then the pronoun could be 'their' since that would be agreement in the plural consistency of the sentence.
Yes because it is saying that everybody is going to the Walmart, but Millie isn't.