In 1980, Artima Corporation purchased an office building for $400,000 for use in its business. The building is sold during the current year for $550,000. Total depreciation allowed for the building was S390,000; straight - line would have been $360,000. As result of the sale, how much Sec. 1231 gain will Artima Corporation report? A. OB. O c. D. $150,000 $510,000 $398,000 $540,000