For this discussion you need to answer the following questions 1) Desene depreciation and its purpose as it relates to accounting and GAAP. Ano Indude the journal entry debit and credit to book depreciation and the name of the spective accounts used 2) On January 1, a machine with a total life of 5 years and a salvape value of $10,000 wan purchased for $160,000 Uuing the destin declining balance method show you calculations and answer the following questions a) what is year 2 depreciation expense (show calculations)? b) what is the book value of the macine at the end of year 2 (show calculations