CoCo currently makes 6,316 suitcases a year. CoCo manufactures all of the components of the suitcase. The company is debating on whether it should continue to make the wheels of the suitcases or buy it from a supplier. Below is information regarding the costs to make a set of wheels for the suitcases.

Direct materials: $2.8

Direct labor: $ .50

Variable OH: $ .10

Fixed OH: $ 1.80

An outside supplier has provided the purchase price of $5 total for the wheels for the suitcase. If the company accepts this, the company could utilize the production space to make another product which would increase their contribution margin by $20,000 a year. The company determined that 75% of fixed overhead is related to common overhead and will continue if the wheels are bought. What is the total annual advantage/disadvantage of buying the wheels? (Put a - sign in front of your number if it is a disadvantage. Round to the nearest dollar.)