the U.S. Bureau of Labor Statistics website. The percent change in the cost of goods and services between December 2016 and June 2017 is 0.50% (Round your answers to the nearest hundredths place.) (a) The percent change might you expect the average cost of goods and services over the second 6-month period of 2017 is % (Round your answers to the nearest hundredths place.) years gives us a more stable picture of percent cost changes. (b) The estimated average salary for December 31,2017 is $ (Round your answers to the nearest hundredths place.) Hint: [(initial average salary average percent cost change) + initial average salary]. the U.S. Bureau of Labor Statistics website. The percent change in the cost of goods and services between December 2016 and June 2017 is 0.50% (Round your answers to the nearest hundredths place.) (a) The percent change might you expect the average cost of goods and services over the second 6-month period of 2017 is % (Round your answers to the nearest hundredths place.) years gives us a more stable picture of percent cost changes. (b) The estimated average salary for December 31,2017 is $ (Round your answers to the nearest hundredths place.) Hint: [(initial average salary average percent cost change) + initial average salary]