just part 4 please

Tanner-UNF Corporation acquired as a long-term investment $270 million of 8% bonds, dated July 1, on July 1, 2021. Company management has classified the bonds as an available for sale investment. The market interest rate (yield) was 10% for bonds of similar risk and maturity, Tanner-UNF paid $230 million for the bonds. The company will receive interest semiannually on June 30 and December 31. As a result of changing market conditions, the fair value of the bonds at December 31, 2021, was $240 million Required: 1. & 2. Prepare the journal entry to record Tanner-UNF's investment in the bonds on July 1, 2021 and interest on December 31, 2021, at the effective (market) rate. 3. Prepare any additional Journal entry necessary for Tanner-UNF to report its investment in the December 31, 2021, balance sheet 4. Suppose Moody's bond rating agency downgraded the risk rating of the bonds motivating Tanner-UNF to sell the investment on January 2, 2022, for $220 million. Prepare the journal entries necessary to record the sale, including updating the fair-value adjustment, recording any reclassification adjustment, and recording the sale