There are two types of photoreceptors, the cones and the rods. The cones function in bright light and there are three types that are maximally sensitive to different colours, which allows the ratio of their responses to code colour.
Medioimages/Photodisc/Photodisc/Getty Images. Most PGA Tour caddies make a salary of between $1,000 and $1,500 a week, plus a percentage of the playerâs winnings each week. A common rate is 5 percent for finishes outside the top 10, 7 percent for non-winning top-10 finishes and 10 percent if the golfer wins.
The Association of Professional Tour Caddies put an offer on the table before the lawsuit was filed: $10,000 per year for health care and $10,000 per year for retirement, for an estimated 200 caddies. That comes out to $4 million annually for the caddies, out of an annual revenue of nearly $1 billion.