Distinguish between the duties of line managers and staff managers. A. Line managers are certified public accountants (CPAs). Staff managers are chartered accountants (CAs). B. Staff managers are directly responsible for the production and sale of goods or services. Line managers have an advisory function - they support staff managers. C. Line managers are directly responsible for the production and sale of goods or services. Staff managers have an advisory function-they support line managers. D. There are no differences between the duties of line managers and staff managers. Both have advisory functions - they support the management accountants