Dealer Y proposed to sign a $1 million sales contract with VV before December 31, 2021, with two conditions: (1) Dealer Y can return the cars unconditionally if they cannot sell the cars before June 2022. (2) VV needs to offer a 10% discount on the sales price. The gross margin is projected as 40% based on the current product price (without the 10% discount). There is no publicly available information about how many cars Dealer Y can sell by June 2022. The representative of dealer Y predicts 10% of the cars cannot be sold by June 2022.

What is the journal entry? Do I account for the return of vehicles in 2021 or in 2022?