Suppose it is October 1. You have paid ​$ in tuition and have been attending college classes. ​ However, you are offered a​ full-time job paying ​$ for the next two months. If you take the​ job, you'll have to stop attending classes and withdraw from college for the semester. ​ Unfortunately, at this point in the​ semester, tuition is no longer refundable. You must decide whether to remain enrolled in college. What is the relevant cost of staying in​ school? When deciding whether to remain in​ school, the relevant cost of staying in school is ​$ nothing. ​(Enter your response as a whole​ number.)