David and Kathy like to take their young son, Chaz, to Moe’s for lunch after church on Sunday. While they like to eat at Moe’s anytime, Sunday is particularly good because it’s 'kids-eat-free' day at Moe’s southwestern grill. Until Moe’s began the reduced pricing program, Sundays were very slow. Now it is one of the busiest days of the week. This price reduction was a way to contend with the service characteristic of: