Essentials of Economics 7th Edition by Gregory Mankiw

Exercise 23

Raj opens up a lemonade stand for two hours. He spends $10 for ingredients and sells $60 worth of lemonade. In the same two hours, he could have mowed his neighbor's lawn for $40. Raj has an accounting profit of ______ and an economic profit of ______.
A) $50, $10
B) $90, $50
C) $10, $50
D) $50, $90