Tonya, who lives in California, inherited a $100,000 State of California bond in 2018. Her marginal Federal tax rate is 35%, and her marginal state tax rate is 5%. The California bond pays 3-3% interest, which is not subject to California income tax. She can purchase a corporate bond of comparable risk that will yield 5.2% or a U.S. government bond that pays 4.6% interest. Which investment will provide the greatest after-tax yield?