Table 1 below shows the total revenue schedule of a firm. Use the information to answer questions 21 and 22
Table 1
Output(Units) | 50 | 60 | 70 | 80 | 90 |
Total revenue(TR) $ | 85 | 102 | 119 | 136 | 153 |
What is the units price of the firm'soutput?
Answer: D
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