During 2020, Brandon Inc

During 2020, Brandon Inc. purchased 2,000, $ 1,000, 9% bonds. The bonds mature on March 1, 2025, and pay interest on March 1 and September 1. The carrying value of the bonds at December 31, 2020 was $ 1,960,000. On September 1, 2021, after the semi-annual interest was received, Brandon sold half of these bonds for $ 988,000. Brandon uses straight-line amortization and has accounted for the bonds under the amortized cost model. The gain on the sale is

A) $ 11,200.
B) $ 8,000.
C) $ 4,800.
D) $ 0.