The Parking Space is a New York car dealership located in a highly visible area along a prominent highway. Fred Barns, owner of The Parking Space, is trying to decide how much front-row space along the highway to devote to each of four different car models. Fred has a maximum front-row space of 200 feet to devote to the four car models. He wants a minimum of 20 feet and a maximum of 80 feet of front-row space for each car model. Appropriate data on the four car models follow:

	Convertible	Truck	Sedan	SUV
Sales price per unit	$ 37,000	$ 36,000	$ 59,000	$ 24,000
Variable costs per unit	32,000	31,000	37,000	10,000
Units sold per 10 feet of front-row space per month	12	23	11	25

The convertible model's monthly contribution per 10 feet of front-row space is:

Multiple Choice

• $50,000.

• $40,000.

• $70,000.

• $60,000.

• $10,000.