Refer to Table 15-4. What is Shakti's profit-maximizing output?

An increase in the price of good X causes the demand for good Y to shift inward. One can conclude that X and Y are:

a. complements. b. substitutes. c. unrelated goods. d. normal goods. e. exceptions to the law of demand.

Ed Van Zaig is considering opening a sushi bar. To do so, he would have to quit his current job, which pays $20,000 a year, and use a building that he owns and currently rents to his brother for $6,000 a year. His costs at the sushi bar would be $50,000 for food and $2,000 for gas and electricity. What are his implicit costs?

a. $26,000 b. $66,000 c. $78,000 d. $52,000 e. $72,000