This year Lloyd, a single taxpayer, estimates that his tax liability will be $12,400. Last year, his total tax liability was $16,600. He estimates that his tax withholding from his employer will be $9,320. rev: 02_29_2020_QC_CS-202942 a. How much does Lloyd need to increase his withholding by (for the year), in order to avoid the underpayment penalty?