What is the difference between informal rulemaking and formal rulemaking under the Administrative Procedure Act (APA)?

What is the difference between informal rulemaking and formal rulemaking under the Administrative Procedure Act (APA)?

• A. Informal rulemaking uses notice-and-comment procedures; formal rulemaking requires formal hearings and a trial-like process.
• B. Informal rulemaking requires formal hearings; formal rulemaking uses notice-and-comment procedures.
• C. Informal rulemaking bypasses public input altogether.
• D. Formal rulemaking is only used for budgetary rules.

Answer: (A)