Luca Tesfaye is the new bookkeeper for Birch Online Enterprises, a small business consulting firm, and was hired to replace a long-time employee who retired. Luca notices that the prior bookkeeper used a purely manual system upon starting the position. The company owner has said that Luca may update the payroll system. What options are available? Note: You may select more than one answer.

1. Continue to use manual system
2. ADP or programs like QuickBooks, Sage 100, or Microsoft Dynamics GP
3. MyPay Solutions
4. Spreadsheets
5. Opt not to process payroll