A regional manager at Sally's Beauty Supply, a chain of retail stores selling hair and beauty products, is reviewing sales data after a recent in$-$store promotion. The data show success in some stores and limited response in others. To understand the differences between stores, the manager will probably next review the company's

financial statements, to investigate current and past profits.

brand awareness study, to assess national levels of awareness.

implementation programs, to see if the promotion was handled consistently in the different stores.

mission statement, to see if it needs adjusting.

analysis of national trends in vitamins and herbal supplements, to help predict future sales.