Each week, for example, a record of the sales results of the （） week for each sales office and for Sales Department as a whole for each division of the company is kept and compared to the sales results for the corresponding week of the year before.
Each week, for example, a record of the sales results of the （） week for each sales office and for Sales Department as a whole for each division of the company is kept and compared to the sales results for the corresponding week of the year before.
