Kroger Supermarket Has U-Scan Express Machines for Self-Scanning in More

Kroger supermarket has U-Scan Express machines for self-scanning in more than 200 of its stores. Self-scanning is efficient and popular. The U-Scan Express machine is a touch-screen terminal with scanner and a soothing female voice that guides customers through checkout. One employee can use a computer to monitor the activities at Half-dozen self-scanners. This is an example of how the __________environment affects
Market attractiveness.

A) technological
B) cultural
C) economic
D) social
E) regulatory