Given the following document snippet, see Figure 1. 2.2 Students who still have outstanding dues may not be allowed to register for the new semester. All full time students must register a minimum of ten (10) credit hours, of which 2 must be core courses, where applicable in a particular semester. However, this ruling may be waived for graduating students who are in their final semester. Adding/Dropping/Withdrawal of Courses 2.2.1 Adding/Dropping of Courses Students are allowed to add/drop courses within the first two (2) weeks of the semester subject to the approval of the Department Chair and subject to the compliance of the total credit hours allowed. 2.2.2 Withdrawal a. Withdrawal from Courses Students are allowed to withdraw from the courses latest by week eight (8) of the semester provided that they maintain a minimum of ten (10) credit hours. The course fee however, shall not be refunded. b. Withdrawal from Examination Students who have registered for courses but are unable to sit for the examination due to some unavoidable circumstances may apply for withdrawal from the examination, subject to recommendation of the Department Chair and approval by the Deputy Vice Chancellor, Academic. If the withdrawal is due to illness or injury, the student must furnish the University with a medical certificate or a letter certified by UTP's panel doctor or any government hospital. Upon approval, the student will be given an INCOMPLETE status and the student is required to repeat that particular final examination when it is available. Figure 1: Rules for course registration. Model the state machine diagram of registration object. Please state all the states, trigger, guard and effect. Refer to the following syntax: sm Transition Source State Target State Trigger (Guard] /Etfect