The post was misunderstood. The problem is, beyond the standard head of household deduction, no other deduction was entered in the above mentioned forms. Line 4(b) in Step 4 (Other Adjustments) on 'Form W-4 T' should be blank. But instead, it appears that the value in Step 3, Line 3 on 'Form W-4 T' is copied to Line 4(b) in Step 4. In this specific situation, Line 4(b) in Step 4 on 'Form W-4 T' should be blank. This is a bug in TurboTax.
