10) you are faced with the following alternative choices on a friday night: choice a: go to a concert, which costs $30. choice b: go to a party at a friend's house. choice c: go to the library and study economics. it turns out that choice a is your most preferred activity, choice b is your second most preferred activity, and choice c is your least preferred activity, so naturally, you go to the concert. what is the oportunity cost of going to the concert? a) $30 b) $30 plus missing your friend's party. c) $30 plus missing your friend's party plus not studying economics at the library. d) missing your friend's party plus not studying economics at the library.

Alandowner entered into a written agreement with a real estate broker whereby the broker would receive a commission of 10% of the sale price if he procured a "ready, willing, and able buyer" for the landowner's property and if the sale actually proceeded through closing. the broker found a buyer who agreed in writing to buy the property from the landowner for $100,000, the landowner's asking price. the buyer put up $6,000 as a down payment. the agreement between the landowner and the buyer contained a liquidated damages clause providing that, if the buyer defaulted by failing to tender the balance due of $94,000 at the closing date, damages would be 10% of the purchase price. the landowner included that clause because she was counting on using the proceeds of the sale for a business venture that would likely net her at least $10,000. the buyer became seriously ill and defaulted. when he recovered, he demanded that the landowner return his $6,000, and the landowner refused. the broker also demanded the $6,000 from the landowner and was refused. the broker and the buyer filed separate suits against the landowner, with the buyer pleading impossibility of performance. the two cases are consolidated into a single case. how should the court rule as to the disposition of the $6,000?

The sec has historically raised questions regarding the independence of firms that derive a significant portion of their total revenues from one audit client or group of clients because the sec staff believes this situation causes cpa firms to

Russell's study compared gpa of those students who volunteered for academic study skills training and those who did not elect to take the training. he found that those who had the training also had higher gpa. with which validity threat should russell be most concerned?