Dogbert sits behind a box with a sign that says, "Pet me. $5.00." Dilbert says, "Hey! You charged me TEN dollars yesterday!" Dogbert explains, "Five dollars is just the base price. I charge extra for an extended no-rabies warranty and other add-ons." Dilbert says, "I'll take a 'plain.'" Dogbert asks, "Wag or no wag?"