I need help with finishing req D and E. How to I calculate the loss?

Martinez, Incorporated acquired a patent on January 1,2020 for $40,900 cash. The patent was estimated to have a useful life of 10 years with no residual value. On December 31,2021 , before any adjustments were recorded for the year, management determined that the remaining useful life was 7 years (with that new estimate being effective as of January 1, 2021). On June 30, 2022, the patent was sold for $25,900. Required: a. Prepare the journal entry to record the acquisition of the patent on January 1, 2020. b. Prepare the journal entry to record the annual amortization for 2020 . c. Compute the amount of amortization that would be recorded in 2021. d. Determine the gain (loss) on sale on June 30, 2022. e. Prepare the journal entry to record the sale of the patent on June 30,2022. Complete this question by entering your answers in the tabs below. Determine the gain (loss) on sale on June 30,2022 . (Round your intermediate calculations and final answer to the nearest whole dollar.) Martinez, Incorporated acquired a patent on January 1,2020 for $40,900 cash. The patent was estimated to have a useful life of 10 years with no residual value. On December 31,2021 , before any adjustments were recorded for the year, management determined the the remaining useful life was 7 years (with that new estimate being effective as of January 1, 2021). On June 30, 2022, the patent was sold for $25,900. Required: a. Prepare the journal entry to record the acquisition of the patent on January 1, 2020. b. Prepare the journal entry to record the annual amortization for 2020. c. Compute the amount of amortization that would be recorded in 2021. d. Determine the gain (loss) on sale on June 30, 2022. e. Prepare the journal entry to record the sale of the patent on June 30, 2022. Answer is not complete. Complete this question by entering your answers in the tabs below. Prepare the journal entry to record the sale of the patent on June 30,2022 . (Round your intermediate calculations and final answers to the nearest whole dollar. If no entry is required for a transaction/event, select "No Journal Entry Required" in the first account field.)