During the preparation of the bank reconciliation for Building Concepts Co., Joel Kimmel,the assistant controller, discovered that Lone Peak National Bank incorrectly recorded a $3,290 check written by Building Concepts Co. as $329. Joel has decided not to notify the bank but wait for the bank to detect the error. Joel plans to record the $2,961 error as Other Income if the bank fails to detect the error within the next three months. Use the concepts studied in Chapter 8 to answer these questions:

Is Joel behaving in a professional manner? Why or why not? Give reasons for your response. (Please use an accounting concept to recieve credit)