While performing the manage supply and demand process, one of your sub-portfolio managers came to...

You should tell him to use the qualitative metrics defined in the performance management plan in order to measure the intangible aspects. He can then use the number of full-time equivalents in order to quantify them when possible

You should tell him to ignore the intangible aspects as they are not as important as tangible ones which will help in decision making

You should advice him to use quantitative analysis in order to quantify the intangible aspects and be able to measure them

You should tell him that metrics are only defined to measure tangible aspects; intangible measurements should be based on assumptions