They will not be collected or graded. I may, however, discuss some of them in class. Do not expect to receive a passing grade if you have not completed both the mandatory and the recommended assignments. Accounting is a subject that requires practice. The assigned problems are the minimum amount of practice required, if you expect to receive an average grade.
Solutions are available online.
I will provide you with information on accessing the online solutions manual at a later date. Remember, the more you practice, the more you will improve your technical skills. You may work any cases, exercises or problems. I have merely suggested a minimum set of assignments. I have also prepared a set of practice quizzes to help you evaluate your technical skills.