if an import tariff in the economy above is set such that the effective domestic price is a, what represents the additional producer surplus gained?

On january 1, eastern college received $1,350,000 from its students for the spring semester that it recorded in unearned tuition and fees. the term spans four months beginning on january 2 and the college spreads the revenue evenly over the months of the term. assuming the college prepares adjustments monthly, what amount of tuition revenue should the college recognize on february 28?

Martha entered into a contract with terry, an art dealer. according to the contract, terry was to supply 18 th century artifacts to martha for the play she was directing, and martha was ready to pay $50,000 for this. another director needed the same artifacts and was ready to pay $60,000. terry decided not to sell the artifacts to martha. in this case, the court may order terry to:

Xinhong company is considering replacing one of its manufacturing machines. the machine has a book value of $39,000 and a remaining useful life of 5 years, at which time its salvage value will be zero. it has a current market value of $49,000. variable manufacturing costs are $33,300 per year for this machine. information on two alternative replacement machines follows. alternative a alternative b cost $ 115,000 $ 117,000 variable manufacturing costs per year 22,900 10,100 1. calculate the total change in net income if alternative a and b is adopted. 2. should xinhong keep or replace its manufacturing machine