You do not "put" in a tax liability. The software calculates that for you and enters it based on your income and various other factors such as your filing status, number of dependents, amount of tax withheld, etc. etc. etc.
You are posting from TurboTax Live. You can arrange for the Live help you are paying the extra fee for with your questions from 5 a.m. to 9 p.m. Pacific time.
https://ttlc.intuit.com/questions/4124827-how-do-i-connect-with-a-tax-expert-in-turbotax-live