An estimated 1.9 million students take on student loans to pay ever-rising tuition and room and board. it is also known that the average cumlulative debt of recent college graduates is about 20,500. let the cumulative debt among recent college graduates be normally distributed with a standard deviation of 6,000. approximately how many recent college graduates have accumulated a student loan of more than 30,000.

Turtle corporation produces and sells a single product. data concerning that product appear below: per unit percent of sales selling price $ 150 100 % variable expenses 75 50 % contribution margin $ 75 50 % the company is currently selling 5,600 units per month. fixed expenses are $194,000 per month. the marketing manager believes that a $5,300 increase in the monthly advertising budget would result in a 190 unit increase in monthly sales. what should be the overall effect on the company's monthly net operating income of this change?