i. write R code that will plot education on the x-axis and income on the y-axis, with both x- and y-axis limits fixed to be [0,100]. Provide appropriate axis labels. For jobs with a prestige value of less than or equal to 80, use a black point (pch-16) as the point character. For jobs with prestige greater than 80, use a blue circle (pch=1) education=DuncanSeducation education income=DuncanSincome income prestige=DuncanSprestige prestige plot (education, income, type="p", main="My Graph", xlab="Education", ylab="Income ii. Add a legend explaining the difference between the two types of points and then save a .pdf file of the image.

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