The line chart illustrates the time it took three different companies to manufacture a refrigerator between 1990 and 2000.
Overall, according to the graph, company C initially produced more refrigerators, but company B eventually overtook company A to secure the second position.
To begin with, in 1990, almost 35 refrigerators were made by company C in one hour; this number dropped drastically at the end of the year to 28 refrigerators manufactured per hour in 2000. In addition, for company A, approximately 30 refrigerators were produced each hour in 1990. The production of refrigerators was decreased eventually and reached 23, which was the lowest production number over the time period and among the companies. However, in the middle of the year, the production of companies A and B were similar. For company B, at the beginning of the year 1990, 23 refrigerators were manufactured in one hour; company B overtook company A and peaked at 25 refrigerators per hour at the end.
