4) Suppose Angelo Sessa, owner of Sezz Medi Brick Oven Pizza in NYC, earns $350,000 in
revenue per year. He spends $800 a month on ash wood for his stove, $2000 a month on rent,
and $1500 a month on ingredients. He used to be a lawyer and earned $240,000 a year before he
opened up Sezz Medi. Normal profit for a pizza business is $30,000. If Angelo switches to oak
wood to fire his stove and oak costs an extra $2500 each month, but this change causes his
revenues to increase to $351,000. What is Angelo’s economic profit?
A) -$1,600
B) -$600
C) $9,000
D) $8,000
5) Suppose Angelo Sessa, owner of Sezz Medi Brick Oven Pizza in NYC, earns $350,000 in
revenue per year. He spends $800 a month on ash wood for his stove, $2000 a month on rent,
and $1500 a month on ingredients. He used to be a lawyer and earned $240,000 a year before he
opened up Sezz Medi. Normal profit for a pizza business is $30,000. If Angelo switches to oak
wood to fire his stove and oak costs an extra $2500 each month, but this change causes his
revenues to increase to $351,000. What is Angelo’s opportunity cost of production?
A) $351,000
B) $342,000
C) $351,600
D) $321,600
6) The Roomba 570 is a robotic vacuum cleaner made and sold by iRobot. It can vacuum 4
rooms on a single battery charge and it costs $2 worth of electricity to charge the Roomba. Lynn
is a house cleaner and can vacuum 4 rooms in 1 hour with a traditional vacuum. Suppose you
want the 4 rooms in your house vacuumed once a week for one year. Ignoring the cost of any
electricity Lynn uses, which method is economically efficient if Lynn charges $20 per hour? $30
per hour?
A) Roomba if Lynn charges $20 per hour and Lynn if she charges $30 per hour
B) Lynn if she charges $20 or $30 per hour
C) Roomba if Lynn charges $20 or $30 per hour
D) Lynn if she charges $20 per hour and Roomba if Lynn charges $30 per hour