A survey was conducted to determine how employees found their jobs. The table below lists the successful methods identified by 400 randomly selected employees. The data are based on results from the National Center for Career Strategies. Construct a Pareto chart that corresponds to the given data. Based on these results, what appears to be the best strategy for someone seeking employment?

Job sources of survey respondents              Frequency

Help-wanted ads……………………………….56

Executive search firms…………………………44

Networking…………………………………...280

Mass mailing…………………………………...20