At the beginning of 2021, Sunland Co. purchased an asset for $2100000 with an estimated useful life of 5 years and an estimated salvage value of $180000. For financial reporting purposes the asset is being depreciated using the straight- line method; for tax purposes the double-declining-balance method is being used. Sunland Co s tax rate is 20% for 2021 and all future years. At the end of 2021, what are the book basis and the tax basis of the asset? Book basis Tax basis $1536000 $1260000 $1536000 $1080000 $1716000 $1080000 $1716000 $1260000