将一段文章中的错别字和语法错误标注出来。
Jessica and Brock were the co-founders of the company, she handles the marketing while he’s in charge of the finances.
Jessica and Brock were the co-founders of the company. She handles the marketing, while he's in charge of the finances.

Mistakes:

1. Lack of a period/full stop at the end of the sentence.
2. Inconsistent verb tense between "handles" and "he's."
3. Pronoun ambiguity between "she" and "he's."