Which of the following is NOT and appropriate characteristic of a good business letter:

Cluttered

The correct answer is Option (3) - Cluttered

A good business letter should be concise, courteous, and clear.

• Cluttered is NOT an appropriate characteristic because a good business letter should be well-organized and free of unnecessary information or distractions.

• Concise: Direct and to the point.
• Courteous: Polite and respectful tone.
• Clear: Easy to understand, with a logical structure.
• Cluttered: Confusing and disorganized, which is undesirable in a business context.