The costs of some high-profile consumer goods have actually been falling. With its larger-than-usual half-point cut to its key interest rate last week, the Federal Reserve underscored its belief that it’s all but conquered inflation after three long years.The public at large? Not so much.Consumer surveys, including one released Friday by The Associated Press-NORC Center for Public Affairs Research, show that most Americans remain unhappy with the economy, still bruised by an inflation rate that hit a four-decade high two years ago as the economy rebounded from the pandemic recession.Yet in the view of some economists, the shift toward steadily lower borrowing rates could eventually boost consumer sentiment.