Michael’s physics professor is taking his best 3 out of 4 quizzes this semester. All quizzes are marked out of 10 points and are worth 5% each. There are also 3 tests in the course. They are all marked out of 50 points and are equally weighted at 20% each. The final exam is worth 25%. Michael’s quiz scores were 7, 7.25, 9, and 6.5. His test scores were 38, 41, and 43. His final exam mark was 79%. Calculate Michael’s final grade in physics.