KLC has recorded straight-line depreciation on a machine for 5 years that it purchased 5 years ago for $118,000. The expected salvage value of the machine is $18,000 at the end of its estimated useful life of 10 years. The tax rate for BBB is 25% I. 7. Compute the annual depreciation expense under the straight-line depreciation method. 8. Compute the current cumulative depreciation expenses of the machine. 9. Compute the current net book-value of the machine.