There are four different qualitative forecasting techniques. Which option refers to the Jury of executive opinion?

a$.$

The opinions of a group of high$-$level experts or managers, often in combination with statistical models, are pooled to arrive at a group estimate of demand.

b$.$

The decision$-$makers usually consist of a group of five to ten experts who will be making actual forecasts.

c$.$

It can help not only in preparing a forecast but also in improving product design and planning for new products.

d$.$

These forecasts are reviewed to ensure that they are realistic and then combined at the district and national levels to reach an overall forecast.