A coworker has been asked to give a report on customer satisfaction with your newly implemented technical support center. She is thinking about using a line chart to trace the increase in customer satisfaction over the last two months, but she would like some advice on how to use graphics appropriately.1. What advice should you give her?a. Begin with a grid divided into squares. b. Arrange the time components vertically on the left-hand side of the chart. c. Avoid plotting the first value when preparing a segmented chart.