问题如下：
According to the given data, the EBITDA interest coverage ratio of company A is:
选项：
A. 6.54x.
B. 8.67x.
C. 10.88x.
解释：
B is correct.
The interest expense of this company is 135.
EBITDA = Operating income + Depreciation + Amortization = 906 + 264=1170
EBITDA interest coverage = EBITDA/Interest expense = 1,170/135 = 8.67 times.
老师，这里的interest income 不用抵减interest expense吗
