Table 7-9
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-Refer to Table 7-9

Multiple Choice

Table 7-9
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$$\begin{array} { | c | c | } \hline \text { Seller } & \begin{array} { c } \text { Opportunity Cost for } \\\text { Providing 10 Piano Lessons } \\\text { (Dollars) }\end{array} \\\hline \text { Marcia } & 200 \\\hline \text { Jan } & 250 \\\hline \text { Cindy } & 350 \\\hline \text { Greg } & 400 \\\hline \text { Peter } & 700 \\\hline \text { Bobby } & 800 \\\hline\end{array}$$ ​
-Refer to Table 7-9. The equilibrium market price for 10 piano lessons is $400. What is the total producer surplus in the market?

A) $0
B) $300
C) $400
D) $700