Under which type of market structure is the firm’s pricing decision the most difficult?

The figure above illustrates Mary's production possibilities frontier. If Mary wants to move from point b to point c, she must

A) improve technology. B) increase the accumulation of capital. C) give up some of good Y in order to obtain more of good X. D) give up some of good X in order to obtain more of good Y.

Henri earned a salary of $50,000 in 2001 and $70,000 in 2006 . The consumer price index was 177 in 2001 and 265.5 in 2006 . Henri's 2006 salary in 2001 dollars is

a. $35,000.00. b. $46,666.67. c. $61,950.00 d. $105,000.00.