MONTREAL — Metro Inc. reported a third-quarter profit of 5 million, up from 2.4 million a year earlier, as sales gained 2.5 per cent. The Montreal-based grocery and drug store retailer says the profit amounted to .14 per diluted share for the period ended July 2, up from .03 cents per diluted share a year earlier. Sales totalled .87 billion, up from .72 billion, as food same-store sales gained 1.1 per cent and pharmacy same-store sales rose 7.2 per cent. On an adjusted basis, Metro