How is this?
ROCE should be at least double the interest rates.
While ROCE is a good measure of profitability, it may not provide an accurate reflection of performance for companies that have large cash reserves, which could be funds raised from a recent equity issue.
RoCE = (EBIT/Capital Employed) * 100.
Spotting profitability with return on capital employed
Return on Capital Employed
RoCE vs ROI(c)