In January 2021, Conan, a cash basis taxpayer, purchases for $4,000 a Series EE savings bond with a maturity value of $4,800 (a 6% annual yield). At the same time, he also purchases for $5,000 a 3-year bank certificate of deposit with a maturity value of $6,650 (a 10% annual yield). Both securities mature in 2023. Must Conan recognize any income in 2021? How much income must Conan recognize in 2023?