Dolphin Company currently produces 10,000 units of a key part at a total cost of $512,000 annually. Variable costs are $300,000 annually. Of the annual fixed costs, $140,000 relate specifically to this part. The remaining fixed costs are unavoidable.

Another manufacturer has offered to supply the part for $48 per unit. The facilities currently used to manufacture the part could be used to manufacture a new product with an expected contribution margin of $30,000 per year. Alternatively, the facilities could be rented out at $60,000 per year. Given all of these alternatives, what is Dolphin Company's lowest net relevant cost for the parts? SHOW WORK