Interim financial reporting has become an important topic in accounting. There has been considerable discussion as to the proper method of reflecting results of operations at interim dates. Accordingly, the Accounting Principles Board issued an opinion clarifying some aspects of interim financial reporting.

Required
1. Explain generally how revenue should be recognized at interim dates and specifically how revenue should be recognized for industries subject to large seasonal fluctuations in revenue and for long-term contracts using the percentage- of-completion method at annual reporting dates.
2. Explain generally how product and period costs should be recognized at interim dates. Also discuss how inventory and cost of goods sold may be afforded special accounting treatment at interim dates.
3. Explain how the provision for income taxes is computed and reflected in interim financial statements.