question 7 please help

a. A profit center is responsible for completing its' goals which include earning a profit for the company b. An investment center is measured on ROI ( return on investment) c. The balanced score card attempts to include the satisfaction of customers, workers, and investors alohg with innovations and improvements in its operations d. A company sells its product for $2.00 per unit, has a variable cost of $.50 (cents) per unit and fixed costs of $15,000 per month. The company's break- even point is 10,000 units per month e. Monthly factory rent of $11,000, factory supervisor salaries of $4,000 and security guard salaries paid by contract of $5,000 per month are examples of variable costs