"On January 1, 2018, Payton Co. sold equipment to its subsidiary, Starker Corp., for $115,000. The equipment had cost $125,000, and the balance in accumulated depreciation was $45,000. The equipment had an estimated remaining useful life of eight years and $0 salvage value. Both companies use straight-line depreciation. On their separate 2018 income statements, Payton and Starker reported depreciation expense of $84,000 and $60,000, respectively. The amount of depreciation expense on the consolidated income statement for 2018 would have been:"