请问你们觉得下面的问题中 average-risk 是指什么？（这是chapman coal corporation案例中的一道题）

Compute the necessary expected cash flows of an "average-risk" asset that would be deemed equivalent acceptable t

management as the underground mining operation when examined by the risk-adjuested rate of return.

请大牛们发表点意见？ 我考虑的是：这是否指行业的平均风险？谢谢！