A group of students were required to perform a remedial test to improve their marks in Accounting and Finance subject. They were given an exercise in which items of Set A are worth 10 points and items of Set B are worth 15 points. It would take 3 minutes for each item of Set A and 6 minutes for each item of Set B. Total allowed time is 60 minutes and you may not answer more than 16 questions. Assuming all your answers are correct, how many items of each set should each of the students answer in order to get the BEST SCORE.