It appears to 170 us that where the investigation has been initiated, in respect of an industrial undertaking, on an opinion that there has been or is likely to be a fall in the volume of production for which having regard to the economic conditions there is no justification s.15(a)(i) or an opinion that there has been or is likely to be a marlied deterioration in the quality of any article which could have been or can be avoided s.15(a)(ii); or an opinion that there has been or is likely to be a rise in the price of any article for which there is no justification s.15(a)(iii); or an opinion that it is necessary to take action for the purpose of conserving any resources of national importance s.15 (a)(iv), the investigation in order to be complete must also consider the quality of the management of the undertaking just as it would so consider the quality of management where the investigation is initiated on an opinion that the industrial undertaking is being managed in a manner highly detrimental to the scheduled industry concerned or to public interest.