title: Create a graph in Excel 2010 using 3 columns of data
body: <p>I have been looking online tirelessly for a solution to the following problem but to no avail. I am trying to create a seasonal plot for the table below. My goal is to plot sales against quarter, classified by year. </p>
  
  <p><img src="https://i.stack.imgur.com/yLhCu.jpg" alt="enter image description here"></p>
  
  <p>Any help would be much appreciated! Thank you.</p>