According to the Wall Street Journal, U.S. inflation hit a three-decade high last October, delivering widespread and sizable price increases to households for everything from groceries to cars due to persistent supply shortages and strong consumer demand. The Labor Department said the consumer-price indexwhich measures what consumers pay for goods and servicesincreased in October 2021 by 6.2% from a year ago. That was the fastest 12-month pace since 1990 and the fifth straight month of inflation above 5%.

Please describe the factors causing inflation in 1990 and in today's economy.

Based on your research, what impact does inflation have on unemployment, supply and demand?