The premium on a 3-month put option, with a strike price of $930, is $8.00. The interest rate is 2.4% per annum monthly compounded (0.20% per month). Calculate the profit to the seller of the put option if the index price at expiration is $915. Select one: a. $6.95 gain b. $15.00 gain c. $15.00 loss d. $6.95 loss