Hubert has plans to go to a play and already has a $50 nonrefundable, nonexchangeable, and nontransferable ticket. Now Frances, whom Hubert has wanted to date for a long time, asks him to a party. Hubert would prefer to go to the party with Frances 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 Hubert decides to go to the party with Frances, what has he just done?

a) Incorrectly allowed a sunk cost to influence his decision.
b) Made a choice that was not optimal.
c) Correctly ignored a sunk cost.

you're crazy if you think that someone is going to write a 500 word report for you.

the answer is true.  i do believe this is the answer because of the amount of wrecks people get into each year.  if you double this with avoiding those so said wrecks, that would make you a "skilled" driver.

answer; ///(d); determining who competes most closely   with whom evaluating whether industry driving forces and competitive pressure favor some strategic groups and hurt others, and ascertaining whether the profit potential of different strategic groups varies due to the strengths and weaknesses in each groups respective market positions;