Below are the steps to make postings to profit center.

Step-1: Go to transaction FB50.

Step-2: Enter the Company Code and click on tick mark.

Step-3: Enter the document date.

Step-4: Enter the line item with debit/credit.

Step-5: After entering the line item, select the debit line item and click the detail item button given below.

Step-6: Enter the profit center in the new window opened.

Step-7: Click on the Save button to complete the posting process.