What is a conjunction and preposition?

Rewrite the following paragraph, adding conjunctions and prepositions that make the sentences easier to read.

August came. We needed extra money. We sold the old tractor. We sold some roosters. Harvest time came. We worked hard. We couldn’t get all the corn in. First frost came. The corn was harvested. We picked apples. We made cider. Harvest time is hard. We all worked together. That felt good.