You want to hedge against your portfolio value declining more than 10% in 1 year. Currently, the S&P500 is standing at 2,000 and your portfolio has a beta of 1.8. You need to purchase 1-yr S&P500 put options. Find the exercise price of the index put option. Assume riskfree rate and dividend yield are 0%. (margin of error: +/- 20)