$(1)$ABC Mart purchased a delivery truck for $$40,000$ on January $1,2020.$ The truck has an expected residual value of $$2,000$ and useful life of $10$ years. Actual miles driven were as follows :

$\backslash$table$[[2020,2021,2022,2023,2024,2025,2026,2027],[8,000,11,000,13,000,4,000,11,000,14,000,6,000,9,000]]$

Instructions :

Compute $2024$ depreciation expense for $(1)$ the straight$-$line method, $(2)$ the units$-$of$-$ activity method, and $(3)$ the double$-$declining$-$balance method.