Which of the following statements best captures the difference between cost accounting and financial accounting?

A. Cost accounting provides information for internal management purposes, while financial accounting provides information for external stakeholders such as investors and regulators.

B. Cost accounting deals with historical costs and revenues, while financial accounting deals with future costs and revenues.

C. Cost accounting is concerned with the entire organization, while financial accounting is focused on the cost of goods sold.

D. Cost accounting is a subset of financial accounting, and is used primarily for tax purposes.

E. Cost accounting is used to calculate profit, while financial accounting is used to calculate cash flow.