Snack price increases may have peaked, according to PepsiCo's CEO.Hollis JohnsonRising snack prices might have finally peaked, PepsiCo's CEO said Thursday.Even high-income customers are feeling the impact from years of food inflation, Ramon Laguarta said.It's the latest sign that you could see some relief from high prices at the grocery store.Snack costs might have finally hit a turning point after years of price increases, the parent company of Doritos and Cheetos said Thursday."Do you believe that the prices at Frito are too high given the increases over recent years?" Kaumil Gajrawala, an analyst with Jefferies, asked PepsiCo CEO Ramon Laguarta during a question-and-answer session after earnings on Thursday.