Respuesta :
it would either be the first or the last hoped that helped narrow it down
Answer:
The type of business writing that would be used to contact a customer about a billing error is:
business letter
Explanation:
A business letter is a letter which is used for business activities and queries. It is a form of formal writing sent from one organization to another or from the organization to its customers. It helps to carry a healthy and sound relationship among the employees, clients, and customers.
