Exercise on Revenue of a Competitive Firm

Question: Fill in the question mark spaces of the below table.
QPTRARMR
0 $20 ????? n/a
1 $20 ????? ????? ?????
2 $20 ????? ????? $20
3 $20 ????? ????? ?????
4 $20 ????? ????? ?????
5 $20 $100 ????? $20



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Date of last modification: 2019