General English: Adult Conversation Upper Intermediate

Dear folks ,  

Please write a business report related to the following situation :

You work at the head office of a major transportation  company which runs four branches around the country. Recently, one of the branches has been receiving massive complains  about the  delivery delays and the quality of service which caused a considerable decrease  of the revenue  . Your boss has asked you to look into the matter and write a report on your findings, giving recommendations if necessary. Use your imagination to fill in the details.