Final answer:
The primary purpose of accounting is to help managers make well-informed decisions. Therefore, the correct option is C.
Step-by-step explanation:
The primary purpose of accounting is to help managers make well-informed decisions. Accounting provides financial information that allows managers to analyze the performance of a business, make informed decisions about resource allocation, and evaluate the effectiveness of various strategies. By tracking income, expenses, and other financial data, accounting helps managers understand the financial health of a business and make decisions that can lead to its success.