The line chart shows the sales revenue with sales order month on the x axis and sales in amount of dollars in the y axis. The x axis ranges from May 2017 to November 2020 in increments of 6 months. The y axis ranges from $0 to $120,000 in increments of $10,000. The line passes by the following point at (May 2017, $30,000) and fluctuates and goes up and to the right and ends on the to right of the first quadrant at (November 2020, $90,000). What is being graphed in the chart?