Final answer:
Michaela might want to explore accounting as a course of study in college due to her interest in summarizing, interpreting, and communicating financial transactions.
Step-by-step explanation:
Based on Michaela's interest in summarizing, interpreting, and communicating financial transactions in her high school business class, a course of study she might want to explore in college is Accounting.
Accounting involves recording, analyzing, and interpreting financial transactions and statements to provide accurate and meaningful financial information for decision-making. It is a field that requires strong attention to detail and a solid understanding of financial principles and regulations.