He added: "I don't think there's any real reason to be panicked, but we all feel the frustration and there's a certain need for patience to help get through a relatively short period of time." [size= 10pt]Supply chain-related shortages of goods like semiconductors and cars have already driven up consumer prices. The Federal Reserve last month predicted inflation - the rate at which prices rise - would run at 4.2% in 2021, well above its 2% target.[/size]