A.) a machine cost 70000 eight years a go and have a salvage value of 350 at the end of life. determined depreciation charge during 4th year and book value at the end of 4th year using SLM, DBM, SYD, SFM at 12%

B.) an industrial plant brought a generator set worth 90000 other expenses including installation amounted to 10000, the generator set is to have a life of 17yrs with salvage value of 5000 find the book value and depreciation charge at the end of 13yrs by:

DBM, DDBM, SFM at 12% interest