At present the Hollywood Restaurant has only standard-height tables  However, many customers come to watch the celebrities who frequent the Hollywood, and they would prefer tall tables with stools because such seating would afford a better view of the celebrities  Moreover, diners seated on stools typically do not stay as long as diners seated at standard-height tables
Ttherefore, if the Hollywood replaced some of its seating with high tables and stools, its profits would increase
a restaurant's customers who spend less time at their meals typically order less expensive meals than those who remain at their meals longer