(a) Set up a coordinate system with the horizontal t-axis (running from 0 to at leas...

(a) Set up a coordinate system with the horizontal t-axis (running from 0 to at least 12) representing years after 1992 and the vertical P-axis (running from 25 to at least 40) representing percentage of sales due to imports; then use it to plot the data in Table B. Note: you should use a broken vertical axis as in Figures 11 through 13.

(b) What are the coordinates of the point in your graph that corresponds to the data for 1992? For 1996?

(c) Use the midpoint formula with the two points that you listed in part (b) to estimate the percentage of import sales for the year 1994. (Round the answer to one decimal place.)

(d) Compute the percentage error in the estimate in part (c), given that the actual 1994 value is 26.6%.