This answer can depend on the type and formation structure of a business. Several managers can be assigned to handle the funds of a company. Most often this is the Comptroller.
You call them 'The person I owe money to'
Electrician!
A borrower
smart
A payee.
A pharmacist
medical representative
Business expense.
You call them 'The person I owe money to'
A call center agent is the individual who handles incoming or outgoing client calls for a corporate. A call center specialist might handle account inquiries, customer grievances or support concerns.
someone who works for a business
umm by phone or if the question is meant to be (waht do you call a person with a lot of money) that answer is rich
Poor
a businessman.........
...a drug dealer...
A Businessman...
Depending on the business it may be the time that the company handles each call, the information required to complete the call and possible follow up time. Each business is different and has different protocol.