The car analogy comes from a calculation for a small single engine airplane or light sport aircraft in the $50,000 range. Using an aircraft loan calculator such as this one from AOPA, we find that you can expect to pay around $400 per month for a 20-year loan with 6.5 percent interest.
Overall, red onions contain a higher amount of antioxidant compounds. They are higher in total flavonoids than white onions and yellow onions are considered to be in the middle. Red onions contain 415 to 1917 mg of flavonols compared to yellow ones, which only contain 270 to 1187 mg.
Jupiterimages/Comstock/Getty Images. Whether you prefer white, yellow or red onions, storage tips for cut onions are the same. Onions have a smell that tends to invade other items in the refrigerator, including milk and potatoes, so there are some special steps to take to avoid this problem.