Which area represents consumer surplus in this market? O a. A O b. B O C. A+B O d. C Which area represents producer surplus in this market? O a. A+B O b. A O c. B +C O d. B What is the dollar value of the total cost of producing this good? O a. $4,050 O b. $2,025 O c. $1,800 O d. $2,250For the questions that follow, refer to the supply and demand model below, with the shaded areas A, B, and C. price $85 A $50 B C $10 quantity 60 What is the dollar value of the total amount of revenue/spending in the market? O a. $2,000 O b. $1,000 O c. $4,000 O d. $3,000 What is the dollar value of total surplus in this market? O a. $1,800 O b. $2,250 O c. $3,000 O d. $4,050