Beverage and food giant PepsiCo Inc (NASDAQ:PEP) is set to report first-quarter financial results before the market open Tuesday. Here are the key earnings estimates and what analysts are saying ahead of the report. Earnings Estimates: Analysts expect Pepsi to report first-quarter revenue of $18.08 billion, according to estimates from Benzinga Pro. The company reported revenue of $17.85 billion in last year's first quarter. Pepsi beat revenue estimates from analysts in nine of the past 10 quarters. Analysts expect Pepsi to report first-quarter earnings per share of $1.52, compared to $1.50 reported in last year's first quarter. The company beat Street consensus estimates in 10 of the past 10 quarters. Related Link: Pepsi Stock Chart Looks Bullish Ahead ...