Please solve manually and state the elements ,

stages, states , decision variable, objective

*12-10. A student must select 10 electives from four different departments, with at least one course from each department. The 10 courses are allocated to the four departments in a manner that maximizes knowledge. The student measures knowledge on a 100-point scale and comes up with the following chart: Number of courses Department 1 2 3 5 6 27 I II III IV 25 20 40 10 50 70 60 20 60 90 80 30 80 100 100 40 100 100 100 50 100 100 100 60 100 100 100 70 How should the student select the courses