Course Map FIN 105: Introduction to Ledgers in OAKS FIN 103: Accounting Basics FIN 104: Reporting Basics for Financials BI 220 Special Billing Invoice Processes BI 201 Creating and Processing Billing Invoices AR 201 BI 210 Managing and Billing Invoices FIN 102: Introduction to OAKS Financials FIN 101: OAKS in a Nutshell for FIN