Abigail wishes to spend more time this week studying for her classes. Using the idea of a production possibilities curve, and assuming Abigail is currently spending all of her time efficiently, Abigail can spend more time studying this week only if __________.a) she also spends more time doing other things.
b) she spends less time doing other things.
c) Daylight Savings Time begins this week, so everyone moves their clocks ahead one hour.
d) none of the above.