Wholesale prices jumped 1.4 percent in March from February to hit an 11.2 percent annual increase, as widespread inflation affecting the U.S. economy is showing no signs of letting up.

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The numbers released on Wednesday follow an 8.5 percent annual rise in consumer prices announced Tuesday, the highest since increase since December 1981.

The Producer Price Index published by the Department of Labor’s Bureau of Labor Statistics measures the price of goods and services that businesses pay to each other, while the Consumer Price Index (CPI) measures retail prices that consumers pay directly.