Answer:
1. Only the traditional format of the income statement.
Step-by-step explanation:
For external reporting purposes, United States of America, Generally Accepted Accounting Principles (GAAP) allows companies to use only the traditional format of the income statement.
United States of America, Generally Accepted Accounting Principles (GAAP) is the accounting principles, procedures and standard issued by the Financial Accounting Standards Board (FASB) and adopted by the United States of America, Securities and Exchange Commission (SEC).
When accountants prepare and compile financial statements for public firms, it must be in line with United States of America, Generally Accepted Accounting Principles (GAAP).