Salesman: Be environmentally friendly. By converting the landscaping on your property to a water-conserving landscape, you can greatly reduce the amount of outdoor water you use. A water-conserving landscape saves you money and is the natural way to stay environmentally friendly.
Customer's Friend: For most people, the savings from converting to a water-conserving landscape are too small to justify the added expense of new landscaping, since typically the conversion would save less than thirty dollars on a customers' water bills annually.
Which of the following, if true, provides the best basis for a rebuttal of the customer friend's criticism?