How do binding and finishing options affect usability and durability in school materials?

• A. Spiral/coil binding is the only durable option.
• B. Perfect binding is more durable than comb.
• C. Comb binding is not used in school materials.
• D. Spiral/coil and comb bindings offer flat opening and durability; perfect binding is neat but less durable; choice depends on page count, usage, and age group.

Answer: (D)