During the Past 5 Years There Has Been an Inflationary

Multiple Choice

During the past 5 years there has been an inflationary trend. Listed below is the average cost of a gallon of milk for each year. Assuming a linear relationship exists, and that the relationship continues unchanged through 1986, what would you predict for the average cost of a gallon of milk in 1986?

A) $1.77
B) $1.72
C) $1.70
D) $1.83