September $30,2025,$ the company sold the shelving for $()/((()/()$$ $2,400()/()))$ cash.

Read the requirement.

Start by calculating the depreciation expense on the shelving for $2025.$

$2025$ depreciation expense $()/(())=()/()$

Hamilton Company purchased a machine for $$8,000$ on January $1,2022.$ The machine has been depreciated using

the straight$-$line method assuming it has a five$-$year life with a $$800$ residual value. Hamilton sold the machine on

January $1,2024,$ for $$8,900.$

What is the book value of the machine on December $31,2023?$

A$.$ $$7,200$

B$.$ $$1,800$

C$.$ $$8,000$

D$.$ $$5,120$