Lockspot Inc. purchased a machine for $100,000 on January 1, 2008. The estimated useful life was 10 years and the salvage value was zero. On January 1, 2016, Lockspot sells the machine, reporting a gain of $2,000. 1. What is the annual depreciation expense for the machine? 2. What is the book value of the machine on the date of sale? 3. What is the cash flow associated with the sale? (Note: inflows are positive and outflows are negative)