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This year, Sigma, Incorporated generated $681,750 income from its routine business operations. In addition, the corporation sold the following assets, all of which were held for more than 12 months: "Through date of sale. Required: a. Compute Sigma's taxable income assuming that it used the straight-line method to calculate depreciation on the building and has no nonrecaptured Section 1231 losses. b. Recompute taxable income assuming that Sigma sold the securities for $174,800 rather than $66,250. Answer is complete but not entirely correct. Complete this question by entering your answers in the tabs below. Compute Sigma's taxable income assuming that it used the straight-line method to calculate depreciation on and has no nonrecaptured Section 1231 losses