The nation of textilia does not allow imports of clothing. in its equilibrium without trade, a t-shirt costs $24, and the equilibrium quantity is 4 million t-shirts. one day, after reading adam smith's the wealth of nations while on vacation, the president decides to open the textilian market to international trade. the market price of a t-shirt falls to the world price of $16. the number of t-shirts consumed in textilia rises to 8 million, while the number of t-shirts produced declines to 2 million.

Michigan mattress company is considering the purchase of land and the construction of a new plant. the land, which would be bought immediately (at t = 0), has a cost of $100,000 and the building, which would be erected at the end of the first year (t = 1), would cost $500,000. it is estimated that the firm's afterminustax cash flow will increase by $100,000 starting at the end of the second year, and that this incremental flow would increase at a 10 percent rate annually over the next 10 years. what is the approximate payback period?

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You were able to purchase two tickets to an upcoming concert for $100 apiece when the concert was first announced three months ago. recently, you saw that stubhub was listing similar seats for $225 apiece. what does it cost you to attend the concert?