ACME Partnership has had the following gross receipts since its formation: $22,800,000 in 2021, $24,600,000 in 2022, $30,800,000 in 2023, $23,000,000 in 2024, and $32,000,000 in 2025. ACME is not a tax shelter. Partner Meile, Inc. is a C corporation. In which tax years (2021 to 2025) must ACME use the accrual method?

a. 2024 and 2025, because average annual gross receipts are more than $26,000,000 in 2023.

b. 2021 and all following years, because it has a partner that is a C corporation.

c. 2023 to 2025, because gross receipts are more than $26,000,000 in 2023.

d. 2023 and 2025 because those are the only years in which gross receipts exceeded $26,000,000.