Lena Horn bought a Toyota Tundra on January 1 for $30,500 with an estimated Ife of 4 years. The residual value of the truck is 56,100. 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 $