Dawn Co. produces two products (main product and byproduct). The total cost of operation for the year 2019 was ($ 50,000), and the :production and sales are as follows Selling price per unit Sales Production (unit) 10 9,000 10,000 Main Product 1 900 1,000 Byproduct After preparing the income statement under the production method and the sales method, the ending inventory cost for byproduct under the production method equal