Larry has plans to go to an opera and already has a $100 nonrefundable, nonexchangeable, and nontransferable ticket. now megan, whom larry has wanted to date for a long time, asks him to a party. larry would prefer to go to the party with megan and forgo the opera, but he doesn't want to waste the $100 he spent on the opera ticket. from the perspective of an economist, if larry decides to go to the party with megan, what has he just done? incorrectly allowed a sunk cost to influence his decision made a choice that was not optimal correctly ignored a sunk cost