To help readers quickly asses the relative contributions of Warby Parkers various products lines to the company's overall revenues, year by year over a 10-year period, which type of visual would be more effective? and why. you chose this statement.
a) Ten pie charts, one per year, showing the breakdown of sales by product line.
b) A table, with years in columns and the product lines in rows.
c) An area chart
d) A bar chart.