Best Airlines provides air mile points with every flight a customer purchases. The air miles are awarded as 1 Mile for every $100 paid for a flight. An air mile can be used to redeem a future flight at a value of $5 per air mile.Past experience with this loyalty program indicates that only 80% of air miles awarded are used by customers.Best Airlines sells $500,000 of flights in 2019 in exchange for cash. Provide the journal entry to record these contracts during 2019 assuming no air miles have been redeemed yet. Ignore costs in this question.