【分析解答题】

Question 1

·TheCustomer ServicesDepartment of your fastfood chain restaurant conducted staff training in order to reduce the number of complaints and achieve higher rate of customer satisfaction．The bar chart below shows the changes in the average number of complaints filed in a week after the train-ing．
· Using the information from the chart，write a short report analysing the result of the training．
· Write 120-140 words