________ shows the values of a variable for different groups in the population at a certain point in time

Assume an analyst has been hired to estimate the price elasticity of demand for Levi's brand blue jeans and for blue jeans in general. Ceteris paribus, we would expect the price elasticity of demand in absolute value to be:

A) larger for Levi's brand blue jeans than for blue jeans in general. B) larger for blue jeans in general than for Levi's brand blue jeans. C) approximately the same for both Levi's brand blue jeans and blue jeans in general. D) none of the above because the market for blue jeans cannot be analyzed using the model of supply and demand.

According to the above table, the marginal factor cost of the seventh worker is

A) $24.00. B) $126.00. C) $42.00. D) $168.00.