问题
单项选择题
A company using straight-line depreciation reports gross investment in fixed assets of $100, accumulated depreciation of $ 50, and annual depreciation expense of $10. What is the average age and the average depreciable life of the fixed assets Average age Average depreciable life（）①A. 5 years 10 years ②B. 5 years 5 years ③C. 10 years 5 years
A. ①
B. ②
C. ③
答案
参考答案：A
解析：
