June 2015 Exam Question

Which of the following statements is NOT correct?

A Return on capital employed can be defined as profit before interest and tax divided by the sum of shareholders’ funds and prior charge capital
B Return on capital employed is the product of net profit margin and net asset turnover
C Dividend yield can be defined as dividend per share divided by the ex-dividend share price
D Return on equity can be defined as profit before interest and tax divided by shareholders’ funds

I know the answer is D but is A not also incorrect? Isnt ROCE = PFIT/ (Equity + debt) – what i prior charge capital???