Meta Cola purchased equipment on January 1, 2017 for USD 100,000 cash and estimated salvage value was USD 10,000. The equipment has an estimated useful life of 9 years and uses straight-line method of depreciation. On January 1, 2020, after three years of depreciation, it was determined that the equipment has a useful life of 10 (Ten) years.

Referring to Meta- Cola Travels, calculate the depreciation amount per year and revised depreciation amount per year?