A parent company sells land to its wholly owned subsidiary in a prior year, reporting a gain of $20,000.$ In the current year, the subsidiary sells the land to an outside developer and reports a gain of $50,000.$ In the consolidation working paper at the end of the current year, the elimination of this transaction will result in: a$.$ A $$70,000$ decrease in land; b$.$ A $$20,000$ increase in gain on sale of land