11. (8 points) The following differences exist between financial income and taxable income of Abbott Company for the year ended December 31, 2020, its first year of operations. Abbott's pretax accounting income for 2020 is $600,000. 1) Interest income from municipal bonds, $15,000. 2) Accrual for litigation loss, $52,500. It is estimated that the litigation liability will be paid in 2024. 3) Unearned rent revenue deferred on the books but appropriately recognized in taxable income, $45,000. 4) Excess depreciation on tax returns, $36,000; Instructions: a. Determine taxable income for 2020. Show computation. b. For items 1)-4), indicate whether it involves a DTA, DTL, or Permanent Difference. 2): 3)