Use the Table Marginal Cost of Producing Mittens

Use the table Marginal Cost of Producing Mittens. If mittens are sold at a price of $4, how many mittens will Theo supply, and how much producer surplus will Theo earn?
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A) zero mittens supplied and $0 of producer surplus
B) three mittens supplied and $6 of producer surplus
C) four mittens supplied and $0 of producer surplus
D) four mittens supplied and $6 of producer surplus