US businesses’ input costs are rising rapidly as the Iran war’s oil shock continues to ripple through the economy.

Consumers and U.S. workers are feeling the pinch of a wage growth rate that lags behind the rate of inflation.

Inflation, as measured by the Consumer Price Index, is expected to run above 4% for the first time in three years because of the Iran war’s oil price shock.

US inflation climbed to a fresh three-year high in May, driven largely by rising energy prices linked to global supply disruptions following the Iran conflict, according to…