Dani Works in the Fine Fragrances Sales Floor in a Major

Dani works in the fine fragrances sales floor in a major department store.She recently attended a mandatory training seminar in which sales personnel were coached on ways to increase sales through personal interactions with customers.Now Dani is putting what she learned to work.When customers ask her the price of a single bottle of fragrance,Dani gives them the information they want but also lets them know that for a slightly higher cost,they can purchase a gift set.The gift set contains a slightly smaller bottle of the fragrance but includes lotion and shower gel in the same scent.Since Dani started using this technique,the average value of each sale she makes has increased by 15%. Based on Dani's actions,which component of the department store's retail strategy did the training seminar focus on?​

A) ​pricing
B) ​promotion
C) ​merchandising
D) ​customer service
E) ​store atmospherics