Mary larvis is a single incividual who is werking on filing her tax return for the previous year. She has assembled the following relevant information: - She received $87,000 in salary. - she rectived $19,500 of dividend income. - She received $8,000 of interest income on Home Depot bonds. - She recetved 122,500 from the sale of Disney stock that was purchased 2 years prior to the sale at a cost of $8,400. - She received $11,500 from the sale of Google stock that was parchased 6 months prior to the sale at a cost of $7,600. - Mary oply has allowable itemized deducticns of $7,600,50 she will take the standard deduction of $12,400, The standard deduction is subtracted from her aross income to determine her taxable income. Astume that her tax rates are based on Table 3.5. a. What io mary's federal tax liablity? Enter your ansmer af a positive value. Do not round intermediate calculations. Round your answer to the nearest cent. 4 b. What is her marginal tax rate? Do not round intermediate calculations, Round your answer to one decimal oface. c. What is her averape tak rate? Do not round intermediate calculations. Round your answer to two decimal places