Sheridan Corporation purchases a patent from Sunland Company on January 1,2024 for $77,280. The patent has a remaining legal life of 16 years. Sheridan feels the patent will be useful for 10 years. Assume that at January 1,2026 , the carrying amount of the patent on Sheridan's books is $61,824. In January, Sheridan spends $18,400 successfully defending a patent suit. Sheridan still feels the patent will be useful until the end of 2033. Prepare Sheridan's journal entries to record straight-line amortization for 2024 and 2026. (Credit account titles are automatically indented when the amount is entered. Do not indent manually. If no entry is required, select "No Entry" for the account titles and enter O for the amounts. List all debit entries before credit entries. Record entries in the order displayed in the problem statement.)