2. Sunk costs and decision-making Kenji has plans to go to a play and already has a $50 nonrefundable, nonexchangeable, and nontransferable ticket. Now Lucia, whom Kenji has wanted to date for a long time, asks him to a concert. Kenji would prefer to go to the concert with Lucia and forgo the play, but he doesn't want to waste the $50 he spent on the play ticket. From the perspective of an economist, if Kenji decides to go to the concert with Lucia, he has: Correctly ignored a sunk cost Made a choice that was not optimal Incorrectly allowed a sunk cost to influence his decision