Use the information below to answer the following question. 
Figure 5.2.7
-Consider the demand and supply curves in Figure 5.2.7.If the market is at the competitive equilibrium,which area in the diagram indicates the cost of producing the quantity sold?
Definitions:
X Chromosome
One of the two sex chromosomes, playing a key role in determining genetic sex and involved in various genetic disorders.
Y Chromosome
A sex chromosome typically associated with male characteristics in species that have XY sex-determination systems, carrying genes important for male reproduction.
ABO Blood Group
A classification system for human blood based on the presence or absence of A and B antigens on the surface of red cells, which determines compatibility for blood transfusion.
Codominance
A genetic scenario where two different alleles of a gene are expressed equally in the phenotype of a heterozygous individual.
Q21: When the efficient quantity is produced<br>A)total consumer
Q33: The seller pays most of a tax
Q34: When producing at a point of production
Q39: The price of an apple falls by
Q41: Suppose the Lethbridge Computer Company decides to
Q75: The demand for a good is perfectly
Q77: Refer to Figure 5.2.3.If the price is
Q96: Suppose income increases.Choose the correct statement.<br>A)The equilibrium
Q104: Refer to Figure 3.5.2,which represents the market
Q124: According to the fair rules view of