Three assets are being considered. Assets A, B and C have natural lives of 4, 5 and 6 years and costs of $12,000, $20,000 and $30,000 respectively. There will be no salvage value at the end of each assets life. market value decreases in a straight-line manner for each. The planning horizon for evaluation is 7 years. What is the salvage valueof each alternatie at the end of the planning horizon determined?