Molly's Mobile Pet Grooming Service recently purchased a cargo van for $27,000. For depreciation purposes, the van is expected to have a useful life of 7 years and have a trade-in value of $3500. Molly uses the sum- of-the-years'-digits method to calculate depreciation. What is the book value at the end of the first year? $ What is the accumulated depreciation by the end of the second year? S What is the annual depreciation in the third year? The beginning of the depreciation table for this problem is shown below. The depreciation fraction for any Number of years remaining year is Sum of digits of years of useful life Year Total Depreciation 1 Depreciation Annual Accumulated Book Fraction Depreciation Depreciation Value ll E 2 3 143152 28 Question Help: Message Instructor