PNG electric company manufactures a number of electric products. Rechargeable light is one of the PNG's products that sells for $180/unit. Total fixed expenses related to rechargeable electric light are $270,000 per month and variable expenses involved in manufacturing this product are $126 per unit. Monthly sales are 8,000 rechargeable lights. Required: 1. Compute contribution margin rate of company. 2. Compute break-even point of the company in dollars and units