On December 15, 2021, Rigsby Sales Co. sold a tract of land that cost $4,000,000 for $5,000,000. Rigsby appropriately uses the installment sales method of accounting for this transaction. Terms called for a down payment of $490,000 with the balance in two equal annual installments payable on December 15, 2022, and December 15, 2023. Ignore interest charges. Rigsby has a December 31 year-end. In 2021, Rigsby would recognize realized gross profit of:
a. $1,400,000.
b. $126,000.
c. $450,000.
d. $0.