Havel and Petra are married and will file a joint tax return. Havel has W-2 income of $40,000, and Petra has W-2 income of $43,975. Use the appropriate Tax Tables and Tax Rate Schedules. Required: a. What is their tax liability using the Tax Tables? b. What is their tax liability using the Tax Rate Schedule? (Round your intermediate computations and final answer to 2 decimal places.) a. Tax liability using Tax Tables Tax liability using Tax Rate Schedule $ 10,192.00 X $ 10,191.50 X b