Major E. has just opened a cooking school focusing on basic meals for new cooks. Each student pays $15 per class and receives all the ingredients necessary to prepare dinner using the recipes demonstrated in the class. Major’s cost to provide the ingredients is $6 per student for each class. Major employs two assistants and pays each of them $1,200 per month. Major’s monthly salary is $1,800. The depreciation on equipment is $1,000 per month and utilities and insurance are $240 per month. Next month, Major plans to earn net income of $1,760. How many students does Major plan to enroll next month?