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1. Problems and Applications Q1 Sharon can read 40 pages of biology in an hour. She can also read 30 pages of chemistry in an hour. She spends 4 hours per day studying. Use the blue line (circle symbol) to draw Sharon's production possibilities frontier (PPF) for reading biology and chemistry. (7?) wy 200 180 460 PPF 140 120 100 Biology Pages 20 60 40 20 o 20 40 60 80 100 120 140 160 180 200 Chemistry Pages Sharon's opportunity cost of reading 60 pages of chemistry is [| pages of biology