10. You can buy or sell the £ spot at $1.60 to the pound. You can buy or sell the pound 1 year forward at $1.62 to the pound. If U.S. annual interest rates are 4%, what must be the one year British interest rate if interest rate parity holds?.
11. A stock has a spot price of $35. Its May options are about to expire. One of its puts is worth $5 and one of its calls is worth $5. The exercise price of the put must be ___A__ and the exercise price of the call must be ___B__. (please show work for A & B)
12. Why do mortgage lenders prefer ARMs while many borrowers prefer fixed rate mortgages, ceteris paribus?