Explain why dris are now the preferred value for nutritional intake but are not shown on food labels..

DRI stands for The Dietary Reference Intake. It is a system of nutrition recommendations from the Institute of Medicine of the National Academies.
DRIs are now the preferred value for nutritional intake but are not shown on food labels because it depends on the person's weight, height, and amount of calories they should take in.

Q=mc∆tq=59.047g×4.2j/g/k×(27.8-23.7)q=1,016.789j