Susan Johnson, and I'm a billing clerk. Many employees work under me, my main job is to manage account balances to determine outstanding loans. Gathering the necessary information for all calculations. Calculations and updates and accounts receivable. Apart from this, I am sorry to read very interesting books. for example How To Know If Someone Is Doing Black Magic On You.Billing clerks send invoices, credit memos, accounting record updates, customer information and payment reminders. We send invoices to customers, and answer any questions.