Assume the cost is 20000 and accumulated depreciation is 18000 the old asset has fair market value of 6000 and the cash paid to excuse

Based on the information provided, the cost of the old asset is $20,000 and the accumulated depreciation is $18,000. This means that the net book value of the old asset is $2,000 ($20,000 - $18,000).

Additionally, the fair market value of the old asset is $6,000 and the cash paid to acquire it is not specified in the given information.

Therefore, without knowing the cash paid to acquire the old asset, it is not possible to provide the exact excused value.