A firm received a bill from its accountant for $3,310, representing a combined total of 41 "billable" hours for both the Certified General Accountant (CGA) and her accounting technician, for conducting the firm's audit. If the CGA charges her time at $120 per hour and the technician's time at $50 per hour, how many hours did each work on the audit?

Certified General Accountant

A professional designation for accountants that signifies expertise in financial accounting and strategic management.

Billable Hours

The amounts of an employee's work time that can be charged to a client, typically used in legal and consulting professions.

Accounting Technician

A professional skilled in maintaining and examining financial records, and performing various accounting duties.