Dr. Lyle is a dentist who owns and operates her own practice. Over the course of each work day, Dr. Lyle becomes increasingly tired, so the amount of time that she must spend in order to treat each patient steadily increases. All else equal, this indicates that each day: (SELECT ALL THAT APPLY) Group of answer choices The marginal cost of treating the first patient each day is less than the average variable cost (SAVC) per patient that day Dr. Lyle exhibits economies of scale Dr. Lyle maximizes profits Dr. Lyle exhibits diminishing marginal utility Dr. Lyle exhibits diminishing marginal productivity