Molly's Reach, a Regional Restaurant and Gift Shop, Has Recently

Molly's Reach, a regional restaurant and gift shop, has recently launched an increased sales campaign, particularly focused on their gift shop.To determine if their proposal is of interest, they plan to survey a random sample of their regular customers.Suppose that Molly's Reach has an alphabetized list of regular customers who belong to their rewards program.After randomly selecting a customer on the list, every 25th customer from that point on is chosen to be in the samplE.This sampling plan is called

A) Simple Random Sampling
B) Stratified Sampling
C) Cluster Sampling
D) Systematic Sampling
E) Convenience Sampling