PepsiCo announced double-digit operating profit gains across all its businesses in the last quarter, the US snacks and soft drinks group said on Monday. Boosted by improved sales figures from its Frito-Lay snacks division, net income rose 15% to  US$567m. Earnings per share for the quarter also increased 15%, to 38 cents, on an 8% growth in sales to US$6.1bn. PepsiCo forecast double-digit earnings growth for 2001 in line with figures released yesterday.