How to pay an employee 2 different salary types?

Yes, it's possible to add another item on an employee's paycheck, agemar.

You can open the employee's paycheck details to add another salary item. You can either use the existing salary item or add a new one to specify that it's for Administrative or Marketing.

Here's how to add another item on an employee's paycheck:

1. From the Employees menu, click Payroll Center.
2. Select Unscheduled or Scheduled payroll.
3. Click the employee's name to open the Preview Paycheck window.
4. Under the Earning section, select the existing Salary item or click <Add new>.
5. Review the employee's total earnings and deductions. 
6. Click Save & Close.

For more details, feel free to read through these references:

• Edit a payroll item 
• How QuickBooks calculates payroll taxes

I'll be around the corner if there's anything else that you need help with. You take care and have a great day!