RGB,Inc.’s Gross plant and equipment--------$1,500,000 Depreciat

RGB,Inc.’s Gross plant and equipment--------$1,500,000 Depreciation expense-------------$225,000 Accumulated depreciation---------$675,000 The firm uses straight-line depreciation. The average depreciable life of the plant and equipment is:().

A.3.0YEARS

B.3.7YEARS

C.6.7YEARS

D.7.0YEARS

正确答案是C