A report showed that Internet ads accounted for 19% of all U.S. advertisement spending when print ads (magazines and newspapers) accounted for 26% of the spending. The report further showed that Internet ads accounted for 35% of all advertisement spending when print ads accounted for 16% of the spending. 

(a) Write a linear equation that relates that percent y of print ad spending to the percent x of Internet ad spending.

(b) Find the intercepts of the graph of your equation. 

(c) Do the intercepts have any meaningful interpretation? 

(d) Predict the percent of print ad spending if Internet ads account for 39% of all advertisement spending in the United States.