Kim is a single woman in her mid-20s working while taking college credits to earn a bachelors degree. she is financing her education herself through both her income and taking out student loans. her earnings in 2010 were $30,000 before taxes. she paid $5000 intuition and paid $350 interest on her student loan. in filing her state tax return form kim takes a deduction for tuition paid and the interest paid on the loan. in taking these two deductions by how much did she lower taxable income? what is her taxable income now? what is her marginal tax rate? what will she owe in taxes for 2010?