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) economic
C) social
D) regulatory
E) cultural