Alejandro purchased a building in​ 1985, which he uses in his manufacturing business. Alejandro used the ACRS statutory rates to determine the​ cost-recovery deduction for the building.​ Alejandro's original cost for the building is​ $500,000 and​ cost-recovery deductions allowed are​ $500,000. If the building is sold for​ $800,000, the tax results to Alejandro areA. $500,000 sec 1245 ordinary income and $300,000 sec 1231 gainB. $800,000 sec 1231 gainC. $500,000 sec 1245 ordinary incomeD. $500,000 sec 1245 ordinary income and $300,000 sec 1250 gain