Ann lives in princeton, new jersey, and commutes by train each day to her job in new york city (20 round trips per month). when the price of a round trip goes up from $10 to $20, she responds by consuming exactly the same number of trips as before, while spending $200 per month less on restaurant meals. a. does the fact that her quantity of train travel is completely unresponsive to the price increase imply that ann is not a rational consumer? b. explain why an increase in train travel might affect the amount she spends on restaurant meals.

On december 31, 2011, daggett company issued $750,000 of ten-year, 9% bonds payable for $700,353, yielding an effective interest rate of 10%. interest is payable semiannually on june 30 and december 31. prepare journal entries to reflect (a) the issuance of the bonds, (b) the semiannual interest payment and discount amortization (effective interest method) on june 30, 2012, and (c) the semiannual interest payment and discount amortization on december 31, 2012. round amounts to the nearest dollar.

The leading producer of cell phone backup batteries, jumpstart, has achieved great success because they produce high-quality battery backups that are not too expensive. even so, another company that produces lower-quality batteries at the same price has also achieved some success, but not as much as jumpstart. also, in general, the price of backup batteries has declined because of economies of scale and learning. in addition, jumpstart has added complementary assets, such as a carrying case. considering all of these factors, the backup battery industry is most likely in the introduction stage. growth stage. shakeout stage. maturity stage.

Any point on a country's production possibilities frontier represents a combination of two goods that an economy: