Final answer:
Items such as pens, notepads, and toiletries are usually complimentary in hotel rooms and included in the room charge, but they are also counted for inventory control. Option b.
Step-by-step explanation:
The items used by guests like pens, notepads, towels, toothpaste, and matches are typically complementary in the hotel room option b. This means they are provided at no extra charge to guests for their convenience. While some luxury items or premium products may incur additional charges, basic amenities are generally included in the cost of the room. However, it is also true that these items are counted for inventory control purposes to ensure that the hotel has sufficient stock and to prevent losses.