On March $31,2024,$ Canseco Plumbing Fixtures purchased equipment for $$34,000.$ Residual value at the end of an estimated four$-$year service life is expected to be $$8,000.$ The company expects the equipment to operate for $10,000$ hours. The equipment operated for $2,400$ and $3,200$ hours in $2024$ and $2025,$ respectively.

Required:

Calculate depreciation expense for $2024$ and $2025$ using straight$-$line method.

Calculate depreciation expense for $2024$ and $2025$ using double$-$declining$-$balance method.

Calculate depreciation expense for $2024$ and $2025$ using units$-$of$-$production using hours operated.