The fluctuations in the price of seven types of green groceries in the USA at a regular interval of two years from 2002 to 2010 are shown in the given table.
As per the table, the most expensive item among all was arrowroot in all the given years, except in 2002. Its price hiked from $2 to $6 in the given period. An increase is also seen in the price of okra, but it was uniform in nature(from $1 to $1.4).
It is interesting to note that the cost of a kilogram pumpkin witnessed no change over the period ($1.2). Despite in 2002, ($0.75) the cabbage price too is seen unchanged. It was sold at the rate of one dollar per kg in the rest of the period. Another factor to be noted is that it was the cheapest among all through the given years.
Fluctuations were there in the price of onions and tomatoes. In case of onions, this ranged between $1.2 and $1.5, whereas in case of tomatoes the range was between $2 and $2.5.The only exception was eggplant, when its price declined from $2.5 in 2002 to $1.8 in 2010.
Overall, it is clear from the table that not any commodity tended to show a price drop over the given period except eggplant.