 Procter Gamble NYSE:PG Co raised its full-year sales forecast and said it plans to continue raising prices despite lower quarterly profit and declining sales volumes as the rising costs of Tide detergent and other household supplies prompted customers to cut back on spending at the end of last year. For the second quarter ended December 31, the Cincinnati-based consumer-product giants sales volumes fell 6, which is the biggest quarterly drop in years, with declines at each of the companys five major business units. 