I Just need help with the last part! thank you so much!

On January 1, 2023, a machine was purchased for $120,000. The machine has an estimated salvage value of $9,600 and an estimated useful life of 5 years. The machine can operate for 120,000 hours before it needs to be replaced. The company closed its books on December 31 and operates the machine as follows: 2023, 24,000 hours; 2024, 30,000 hours; 2025, 18,000 hours; 2026, 36,000 hours; and 2027,12,000 hours. Sum-of-the-Years'-Digits Method 4. Double-Declining-Balance Method \begin{tabular}{lrr} Year & & \\ 2023 & $ & 48000 \\ 2024 & $ & 28800 \\ 2025 & $ & 17280 \\ \hline 2026 & $ & \\ & $27 & 10368 \\ \hline \end{tabular}