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Wendy’s International Inc. reported a 35% increase in quarterly earnings at its Wendy’s and Tim Hortons restaurant chains. The operator of the third-largest U.S. hamburger chain said net income rose to $46.6 million, or 42 cents a share. In the year-ago quarter, the company took an $18-million pretax charge to close stores in Argentina. Sales rose 8.5% to $2.1 billion.