quizzes   = mark for online quizzes        (out of  5)
      labs      = mark for lab exercises         (out of  7)
      ass1      = mark for assignment 1          (out of  9)
      ass2      = mark for assignment 2          (out of 14)
      pracExam  = mark for Prac part of exam     (out of 35)
      theoExam  = mark for Theory part of exam   (out of 30)
      exam      = (pracExam+theoExam)            (out of 65)
      
      okEffort  = (quizzes+labs+ass1+ass2) ≥ 16/35
      okExam    = (exam > 26/65)             (after scaling)
      
      mark      = quizzes+labs+ass1+ass2+exam
      
      grade     = HD|DN|CR|PS  if mark >= 50 && okExam
                = FL           if mark <  50 && okExam
                = UF           if !okExam