Midway makes a component for the aviation industry that has a unit contribution margin of $$125.$ A major customer, West Wings, has been purchasing $500$ units per month from Midway for many years, but has indicated that it would prefer to purchase them already machined to its specifications. West Wings has offered to pay an additional $$250$ per unit for the finished units. To meet those specifications, Hayley would have to rent additional equipment at a cost of $$10,000$ per month and incur addtional labor and other direct costs of $$80$ per unit.

Calculate the advantage or disadvantage of further processing for Midway.

Do not use the Dollar sign $($$$)$ when entering your answer; indicate negative numbers with the negative sign $(-).$