br TOKYO (Reuters) - Nissan Motor Co’s (7201. T) auditor had repeatedly questioned transactions at the heart of allegations of financial misconduct by former chief Carlos Ghosn but Nissan said they were proper, a person with direct knowledge of the matter said on Wednesday. FILE PHOTO: Carlos Ghosn, chairman and CEO of the Renault-Nissan-Mitsubishi Alliance, attends the Tomorrow In Motion event on the eve of press day at the Paris Auto Show, in Paris, France, October 1, 2018.