All of the following are true about the percent daily values (% dv) except that
a. you may need more or less than the % dv of certain nutrients if your calorie needs are above or below 2,000 calories
b. % dv is based on an 1800 calorie diet
c.% dv refers to the entire day, not just one meal
d. a food with 5% dv is considered low in that nutrient