Selected information from the separate and consolidated balance sheets and income statements of Pine, Inc. and its subsidiary, Luke corp., as of December 31, 2018, and for the year then ended is as follows: Pine Luke Consolidated Balance sheet accounts Accounts receivable 26,000 19,000 39,000 Inventory 30,000 25,000 52,000 Investments in Spin 67,000 -- -- Goodwill -- -- 30,000 Noncontrolling interest -- -- 10,000 Stockholders' equity 154,000 50,000 154,000 Income statement accounts Revenues 200,000 140,00 308,000 Cost of goods sold 150,000 110,000 231,000 Gross profit 50,000 30,000 77,000 Equity in earnings of Spin 20,000 -- -- Net income 36,000 20,000 40,000 Additional Information During year 2018, Pine sold goods to Luke at the same markup on cost that Pine uses for all sales. At December 31, 2018, Luke had not paid for all of these goods and still held 37.5% of them in inventory. Spine acquired its interest in Luke on January 2, 2018. In Pine's consolidated balance sheet, what was the carrying amount of the inventory that Luke purchased from Pine? a. 6,000 b. 3,000 c. 12,000 d. 9,000