Lena Horn bought a Toyota Tundra on January $1$ for $$31,800$ with an estimated life of $5$ years. The residual value of the truck is $$5,300.$

Assume a straight$-$line method of depreciation.

a$.$ What will be the book value of the truck at the end of year $4?$

Book value

b$.$ If the Tundra was bought the first year on April $12,$ how much depreciation would be taken the first year?

Depreciation