Erin is the landlord of a single-family home, which she leased to Carlos in February 2022. Prior to moving in, Carlos paid $1,000 for the first month's rent and an additional $1,000 for the last month's rent (for a total of $2,000 advance rent). He then paid $10,000 in rent during the remainder of the tax year. What amount does Erin include in gross rental income for this property in 2022