The answer is B. +$200. Because when Ralph purchased the vase for $400 and is selling them at a higher price for $600. The difference is $200. He has gained $200 as a profit for every vase that is sold.
Because when Ralph purchased the vase for $400 and is selling them at a higher price for $600. The difference is $200. He has gained $200 as a profit for every vase that is sold.