Abe starts exercising regularly, and after a few months he can do twice as much of everything-in a single day Abe can now make 10 hamburgers or 8 milkshakes rather than the 5 hamburgers and 4 milkshakes he made in the past.We now know that Abe's production possibility frontier:
A.has shifted right, but his opportunity costs of making milkshakes are unchanged.
B.has shifted right, but his opportunity costs of making milkshakes have decreased.
C.has not changed, but his opportunity costs of making milkshakes have increased.
D.has not changed, but his opportunity costs of making milkshakes have decreased.

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The Answer of Abe starts exercising regularly, and after a few months he can do twice as much of everything-in a single day Abe can now make 10 hamburgers or 8 milkshakes rather than the 5 hamburgers and 4 milkshakes he made in the past.We now know that Abe's production possibility frontier:
A.has shifted right, but his opportunity costs of making milkshakes are unchanged.
B.has shifted right, but his opportunity costs of making milkshakes have decreased.
C.has not changed, but his opportunity costs of making milkshakes have increased.
D.has not changed, but his opportunity costs of making milkshakes have decreased.

Abe Starts Exercising Regularly, and After a Few Months He