On January 1, Magnolia Good Eatery purchased a new oven at a cost of $30,000. The restaurant estimates that the oven will last about 4 years and have a residual value of $3,000. Magnolia Good Eatery uses the straight-line depreciation method. What is Magnolia Good Eatery's annual depreciation expense? Assume that the annual depreciation expense is $5.000. What is the oven's book value at the end of year 2