This one is stalling me. If you are able to help me with the answer can you pl

This one is stalling me. If you are able to help me with the answer can you please explain how to figure it? thank you!

Norvell Lawn Care offers three lawn care services to its clients. The revenues and costs associated with each service
follow:

Full Service

Complete Service

Minimum Service

Revenues

$ 60000

$ 72000

$48000

Cost of Sales

42000

43200

25000

Product Margin

18000

28800

23000

Facility-sustaining costs

20000

20000

20000

Profit

(2000)

8800

3000
Norvell wants to discontinue Full Service. The facility-sustaining costs are related to depreciation on the equipment and insurance and
are allocated equally across all product lines. Cost of sales includes wages gasoline and lawn chemicals consumed. Should Norvell drop Full Service? Why?