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