Young-Helmholtz Trichromatic theory. the theory that the retina contains three different colors receptors-one most sensitive to red, one to green, one to blue-which when stimulated in combination can produce the perception of any color.
$62 (cost per guest). In 2015, the average cost of wedding catering is between $51-$73 per guest. While many couples spend significantly less than this due to banquet-style dinners, the average spend is around $60 per adult guest.The food served at a wedding reception is determined by the time of the wedding and local custom.hile many couples spend significantly less than this due to banquet-style dinners, the average spend is around $60 per adult guest. The food served at a wedding reception is determined by the time of the wedding and local custom.
The average wedding cost in the United States is $26,444. Couples typically spend between $19,833 and $33,055 but, most couples spend less than $10,000.This does not include cost for a honeymoon. Understanding wedding cost now can help you with your wedding budget later.Enter your US zip code to get an idea of how much other couples spent on their wedding in your area.verage Wedding Cost. The average wedding cost in the United States is $26,444. Couples typically spend between $19,833 and $33,055 but, most couples spend less than $10,000. This does not include cost for a honeymoon.