In 2010, the Turnkey Company had consulting revenues of $1,000,000 while costs were $750,000. In 2011, Turnkey will be introducing a new service that will generate $150,000 in sales revenues and $60,000 in costs. Assuming no changes are expected for the other services, the differential operating profit for 2011 is:. A) $90,000.
B) $60,000.
C) $150,000.
D) $250,000

Simon, aged 10, is invited to a classmate's birthday party at an exclusive ski resort on march 15th. the day will include 4 hours of snowboarding, lunch and birthday cake. simon's mother checks a box on the invitation that says "yes, we will attend" and returns it to the classmate's address. unfortunately, they later don't attend the party when simon comes down with the flu. on march 17th, simon's mother receives an invoice in the mail from simon's classmate for $35 that says, "party no-show fee." can simon's classmate collect the fee?

The market demand curve for a popular teen magazine is given by q = 80 - 10p where p is the magazine price in dollars per issue and q is the weekly magazine circulation in units of 10,000. if the circulation is 400,000 per week at the current price, what is the consumer surplus for a teen reader with maximum willingness to pay of $3 per issue?

Adecision is made at the margin when each alternative considers