Halifax Air Shuttle Inc. offers a customer loyalty program that grants members award miles for each flight taken. Members can redeem the miles, which expire five years after issuance, for future flights. Members must redeem 15,000 miles and pay a $100 service charge to obtain a flight under the reward program. Other facts follow:

■ In 2018, Halifax Air received $10,000,000 cash in flight-related revenue for flights taken in 2018. 

■ Halifax Air expects that 80% of the 9,375,000 miles awarded in 2018 will be redeemed before they expire. 

■ The performance obligation pertaining to the award miles is estimated to be $75,000. 

■ During 2019, 200 award flights were claimed. 

■ During 2020, 150 award flights were claimed. 

Required: 

a. Prepare a summary journal entry to record the flight-related revenue in 2018. 

b. Prepare summary journal entries to recognize award revenue in 2019 and 2020.