YanYu Zheng is employed by JackJoe, Inc.. During the month of January, YanYu earned her monthly salary of $X (12 * $X for the annual salary). YanYu is single, and had Y% of her pay for the month withheld for federal income taxes. YanYu works in a state without an income tax. YanYu's pay is subject to Social Security taxes at a 6.2% rate and Medicare at a 1.45% rate. The annual base for social security taxes is $170,000. JackJoe's