At the Larson Bakery the marginal products of the first, second, and third sales clerks are 30, 27, and 21 customers served, respectively. The total product (number of customers served) of the first two sales clerks is

Based on the figure above, in which quarter or quarters did an expansion occur?

A) in 2014, 2nd quarter B) in 2013, 2nd quarter C) between 2013, 2nd quarter to 2014, 2nd quarter D) between 2012, 2nd quarter to 2013, 2nd quarter and also between 2014, 2nd quarter to the end of the figure E) There are no expansions illustrated in the figure.

A price support may be pictured by

A) shifting the demand curve to the right by the amount of the government purchase. B) shifting the demand curve to the left by the amount of the government purchase. C) shifting the supply curve to the right by the amount of the government purchase. D) shifting the supply curve to the left by the amount of the government purchase. E) drawing a horizontal line below equilibrium price at the supported price.