1. Click the "Company Information" option on the left sidebar.
2. Proceed to the Company's Information by clicking on the "Payroll Info" tab.
3. Scroll down until you found "Pay Item List" then click the dropdown arrow.
4. Choose the pay item you want to include or exclude from the computation.
5. Tick if you want to include and Untick to exclude the pay item.
6. Click Save.