Nature's Garden, a new restaurant situated on a busy highway in Pomona, California, specializes in a chef's salad selling for $7. Daily fixed costs are $1,100, and variable costs are $4 per meal. With a capacity of 550 meals per day, the restaurant serves an average of 500 meals each day.

(b.) A busload of 30 Girl Scouts stops on its way home from the San Bernardino National Forest. The leader offers to bring them in if the scouts can all be served a meal for a total of $159. The owner refuses, saying he would lose $0.90 per meal if he accepted this offer. How do you think the owner arrived at the $0.90 figure?

Current average cost per meal?

Daily opportunity cost?

Net advantage (disadvantage)?