Which of the following statements is true about successful errors accounting? It is a depreciation method All costs are recorded as assets and then deplected over the resource's useful life. The cost of a dry well would be written off immediately as a loss. The cost of successful exploration is recorded as an asset and is not written off. Which of the following statements is true about the full-costing method? The cost of a dry well would be written off immediately as aloss. All costs are recorded as assets, and then depleted over the resource's useful life. All costs are written off immediately as a loss. All costs are recorded as assets, but remain on the books as assets. Which of the following accounting principles best justies accelerated depreciation accounting? Materiality Matching Full disclosure Consistency Which of the following most appropriately describes depreciation? Decline in value of plant asset allocation of cost of plant asset Gradual obsolescence of plant asset