Answer:
Emily's opportunity cost of producing 1 milkshake is 1 ice cream sundae.
Ben's opportunity cost of producing 1 milkshake is 0.5 ice cream sundae.
Explanation:
Both Emily and Ben own an ice cream parlor.
In an hour Emily can produce 40 milkshakes or 40 ice cream sundaes.
Emily's opportunity cost of producing a milkshake is
= 
= 
= 1 ice cream sundae
In an hour Ben can produce 20 milkshakes or 10 ice cream sundaes.
Ben's opportunity cost of producing a milkshake is
= 
= 
= 0.5 ice cream sundae
We see that Ben has a lower opportunity cost of producing milkshake, so we can say that he has a comparative advantage in producing milkshake.
According to research reports, newlywed
couples who become negative and hostile while discussing problems or conflicts suffer
more immune system suppression the next day. Furthermore, it was discovered that
unlike men, he physiological function of women is usually affected by the
nature of marital interactions.