$(1)$ What is the fundamental difference between financial and managerial accounting? Explain.

$(2)$ How does this fundamental difference in users affect the emphasis of financial vs managerial accounting? Explain.

$(3)$ How would you describe the $3$ vital activities of managerial accounting?

$(4)$ How would you describe the $4$ broad areas of a management accountant's ethical responsibility?

answeres from textbook Managerial Accounting, $18$th Edition $($Garrison$)$