Finn is considering whether or not to do a masters degree for the next academic year. The fees for the course are 9,000 and books would be another 400. He is currently working 35 hours a woek in a local business at a rate of 12.36 per hour. He would have to reduce his hours to 15 hours a week for the fuil 39 weeks of the course. As he would only be working 2 days a week, his travel costs fo work would fall by the curtent E40 per woek to 20 per week. He won't have any travel costs to University as his house is within waking distance What is the opportunity cost for Finn of doing the masters? Give your answer as a whole, positive number