Answer:
Option B.
Step-by-step explanation:
Service bills, is the right answer.
In the context of economics, a service is a deal in which no material goods are sold by the merchant to the purchaser. The privileges of such a service are believed to be illustrated by the willingness of the buyer to make the replacement. Employing resources, occupation, ability, and knowledge, service providers serve service purchasers. As services are provided in return of money so as the payment can be made in any mode of payment. However, the bills generated to collect the money are known as the Service Bills.
According to the given question, the expanse of heat, telephone and electricity bills will fall in the service bill category.