A strategy consists of buying 1,000 6-month put options on the market index with a strike price of 830 and selling 1,000 6-month call options on the market index with a strike price of 830. The put premium is $18.00 and the call premium is $44.00. The interest rate is 0.5% per month. At expiration, the index price is $880. The profit of this strategy at expiration is closest to: Select one: a. $50,000 loss b.