Lena Horn bought a Toyota Tundra on January $1$ for $$28,700$ with an estimated life of $6$ years. The residual value of the truck is $$4,100.$ Assume a straight$-$line method of depreciation.

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

$02$:$58$:$04$

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

Depreciation