an opera house is offering three performances, and has two types of consumers. the performances are "carmen," "madama butterfly," and "eugene onegin." consumer 1 has wtp of $100 for a ticket to "carmen," $200 for "madama butterfly," and $70 for "eugene onegin." consumer 2 has wtp of $120 for "carmen," $100 for "madama butterfly," and $150 for "eugene onegin." each ticket costs the opera house $40. how should the opera house bundle the goods?