Amanda works in the currency trading unit of Sumara Workers Bank in Togliatti, Russia. Her latest speculative position is to profit from her expectation that the U.S. dollar will rise significantly against the Japanese yen. The current spot rate is 120.00/USD$. She must choose between the 90-day options on the Japanese yen. The premium is 2.75 yen per USD. a. Should Amanda buy a put on yen or a call on yen? b. What is Amanda's break-even price on her option of choice in part a)? c. What is Amanda's gross profit and net profit if the end spot rate is 140 yen/$?