(Reuters) -Procter & Gamble (PG) on Friday beat Wall Street estimates for first-quarter revenue and profit, helped by strong demand for its beauty and hair-care products amid higher prices and a broader slowdown in spending due to economic uncertainties. The Tide maker, a bellwether for the global consumer goods industry, reduced its annual tariff cost estimate to about $400 million after tax, from about the$800 million forecast in July, largely on Canada lifting retaliatory tariffs on U.S. goods. Howev ...