Which of the Following Is a Difference Between Financial Accounting

Which of the following is a difference between financial accounting and managerial accounting?

A) Managerial accounting is primarily concerned with reporting the past, while financial accounting is more concerned with future decisions that external users may need to make.
B) Managerial accounting uses monetary and nonmonetary information, whereas financial accounting reports monetary information.
C) Managerial accounting is primarily concerned with providing information for external users while financial accounting is concerned with internal users.
D) Financial accounting is rather detailed, while managerial accounting is more summarized.