help please

2. Which of the following can be the reason W NS for the shift depicted in the graph on the right, according to the intratemporal choice model? a. A generous donation of factory machinery by a neighbor country b. An unexpected rally in the stock and housing markets c. New environmental regulations that deem a factory's equipment unsafe' Na d. An announcement of higher taxes on wages starting next year N 3. A consumer who is currently choosing to be at point B a. is a lender. Consumption, C b. is not smoothing lifetime A consumption. c. should work more to maximize F H utility. d. is experiencing a pure income