The Following Table Shows the Utility (Measured in Dollars)which Lisa

Multiple Choice

The following table shows the utility (measured in dollars) which Lisa derives from water (in 50 litre drums) and diamonds (uncut 1 carat stones) .

-Refer to the graph above to answer this question.The graph shows Becky's demand for blueberries which can be purchased in any quantities and sold at any price.What is Becky's total expenditure if the price of each kilogram of blueberries is $2?

A) $2.
B) $4.
C) $6.
D) $12.
E) Cannot be determined.