A small school employs 5 55 teachers who make between $ 40 , 000 $40,000dollar sign, 40, comma, 000 and $ 70 , 000 $70,000dollar sign, 70, comma, 000 per year. The newest teacher, Valerie, decides to teach part-time which decreases her salary from $ 40 , 000 $40,000dollar sign, 40, comma, 000 to $ 20 , 000 $20,000dollar sign, 20, comma, 000 per year. The rest of the salaries stay the same. How will decreasing Valerie's salary affect the mean and median? Choose 1