please need help with b)

This year, Santhosh, a sing e taxpayer, estimates that his tax lability will be $101,500. Last year, his total tax liability was $15,500. He estimates that his tax withhelding from his employer will be $35.500. Required: a. Is Santhosh required to increase his withhoiding or make estimated tax payments this year to avoid the underpayment penalty? b. By how much, if any. must Santhosh increase his withnolding andior estimated tax payments for the year to avoid underpayment penalies? Complete this question by entering your answers in the tabs below. Is Santhoah required to increase his withholding or make estimated tax payments this year to avoid the underpayment. penalty? This year, Santiosh, a single taxpayer, estimates that his tax iability will be $101,500. Last year, his total tax liability was $15,500. He estimates that his tax withholding from his employer will be $35,500. Required: a. Is Santhosh required to increase his withholding or make estinated tax payments this year to avoid the underpayment penalty? b. By how much, if any. must Santhosh increase his withholding andiof estimated tax payments for the year to avoid underpayment penaities? Complete this question by entering your answers in the tabs below. By how much, if any, mult Santhosh increase his withholding and/or estimated tax payments for the year to avoid underpayment ponalties