1. 1. For restating financial statements to convert to constant dollars, what index is required by the Financial Accounting Standards Board?
2. 2. The HC method, which uses unadjusted historical costs, does not consider depreciation expenses, purchasing power, and unrealized gains in replacement value. 
3. Despite these weaknesses as a financial reporting method, the HC method is used more frequently for accounting purposes than other methods, such as the HC-GPL, CV, and CV-GPL methods. Why is this so?
4. 3. What should be a firm's primary long-term financial objective?