If a competitive market has three firms with marginal costs of MC₁ = Q₁, MC₂ = 0.50Q₂, and MC₃ = 2Q₃ and faces a market price of $10, the total quantity supplied by all three firms is: A) 15. B) 20. C) 25. D) 35.

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The Answer of If a competitive market has three firms with marginal costs of MC₁ = Q₁, MC₂ = 0.50Q₂, and MC₃ = 2Q₃ and faces a market price of $10, the total quantity supplied by all three firms is: A) 15. B) 20. C) 25. D) 35.

If a Competitive Market Has Three Firms with Marginal Costs