Collected a full range of allocated operating costs for specific departments; Responsible for attaching supporting documents such as receipts, payroll statements, and invoices; responsible for invoicing on a monthly-basis an array of medium complexities; Follow-up with customer payments and record cash, checks, and credit card transactions; Daily posting of invoices; verify validity of account discrepancies by obtaining and investigating information from sales and customers; validated and authorize deductions by entering adjusting entries; managed collections by examining customer payment plans, payment history, credit line; ensured all payments were applied against invoices in the billing management system