need help with 9 and 10

The company is involved in litigation over who must clean up a toxic waste site near one of the company's factories. It is probable, but not certain, that the company will be required to pay for the cleanup. How should the company report this lawsuit in its financial statements? A liability in the balance sheet; some disclosure in the financial statement notes No liability in the balance sheet; some disclosure in the financial statement notes A revenue in the balance sheet; some disclosure in the financial statement notes No liability in the balance sheet; no disclosure in the financial statement notes Which ONE of the following statements correctly describes the required accounting in the United States for oil and gas exploration costs? Companies can choose between the full-cost method and the successful-efforts method. Companies must expense the cost of dry holes immediately. Companies must use the full-cost method. Companies must capitalize the cost of dry holes. Companies must use the successful-efforts method