1500 linear Saving per year 1000 500 0 -500 -1000 0 5 10 15 20 25 O Income per year (thousands) b. What is the slope of the line? c. The vertical intercept? d. Interpret the meaning of both the slope and the intercept. The slope shows the amount that saving will for every $1 increase in income.( increase , decrease, stay the same ) The intercept shows the amount of saving that occurs when income equals