Delta Air Lines, Inc. (DAL) operates its SkyMiles loyalty program to give its members (passengers) an incentive to fly Delta. Passengers earn mileage credit (SkyMiles) by flying on Delta, which can be redeemed for airline flights, rental cars, hotels, as well as other benefits. How should Delta Air Lines record the sale of a $500 round-trip ticket that earns 1,500 Sky- Miles? Assume an average value of $0.012 per SkyMile.