The bar graph at the right shows the income from summer jobs for six students at a high school. Estimate the income of the following students. a. Mary b. John Question content area bottom left Part 1 a. Approximately how much did Mary make? A. $1300 B. $1500 C. $1100 D. $13.00 . . . Question content area right Part 1 A horizontal bar graph titled "Summer Income" has a horizontal axis labeled Dollars from 0 to 4500 in increments of 500 and a vertical axis with names as labels. The lengths of the bars are as follows, where the vertical axis label is listed first and the length is listed second: George, 3,400; William, 1,200; Ryan, 2,800; Susan, 1,800; Mary, 1,300; John, 3,800. Summer Income 0 1000 2000 3000 4000 John Mary Susan Ryan William George Dollars ($)