Jorge and Anita, married taxpayers, earn $150,000 in taxable income and $40,000 in interest from an investment in City of Heflin bonds Using the US. tax rate schedule for married filing jointly, how much federal tax will they owe? What is their average tax rate? What is their effective tax rate? What is their current marginal tax rate? (Round your answers to 2 decimal places.) Jamareo has found a "favorable" authority directly on point for his tax question a. If the authority is an administrative authority, which specific type of authority would he prefer to answer his question? Treasury Department Regulation k Revenue Ruling Revenue Procedure Private Letter Ruling ces b. Which administrative authority would he least prefer to answer his question? Revenue Procedure ORevenue Ruling Treasury Department Regulation Private Letter Ruling