1) The stock price of SysCom is $110 now.

The one-year European call on SysCom with a strike price of $110 trades for $15. Also, the one-year European put with a strike price of $110 is worth $5. Find the one-year interest rate. (Note: Your answer should be a number in percentage form. Do not enter '%'.)

2) The stock price of SysCom is $110 now.

A one-year binary cash-or-nothing call option with strike at $120 pays $1 at expiration if the stock price of SysCom is equal to or above $120 one year later (note: this is not the standard call option!). On the other hand, a one-year binary cash-or-nothing put option with strike at $120 pays $1 at expiration if the stock price is below $120 one year later. Suppose we know that the price of this binary call option is $0.51. What is the price of the binary put-option