Parent owns 100% of Sub. On the open market parent bought all bonds of the Sub for $800,000 on January 1, 2020. The fiscal year end for both Parent and Sub is December 31. The par value of these bonds on ledger for Sub is $800,000. Interest is paid annually December 31, at 5%. On the books of the Sub there is an un-amortized discount of $60,000. The bonds mature in 5 years. What would be the pre-tax gain or loss to the consolidated entity on the intercompany retirement of the bonds? What amount of interest expense would need to be eliminated on the consolidated income statement? What amount of interest revenue would need to be eliminated on the consolidated income statement