For each of the scenarios, calculate the surplus and indicate if it is a producer surplus or a consumer surplus. alice is willing to spend $30$30 on a pair of jeans, and has a coupon for $10$10 off which she found online. she selects and purchases a $35$35 pair of jeans which cost $35$35 pre-discount. alice has a producer surplus. consumer surplus. alice's surplus: $ nicole has a hockey puck from the 2010 winter olympic games and puts it up for sale on ebay. she will only sell the puck if the winning bid is greater than or equal to $500$500 . after bidding closes, the last bid stands at $500$500 . nicole has a producer surplus. consumer surplus. nicole's surplus: $ claire is trying to sell her used calculus textbook online. she asks for $150$150 or best offer, and is willing to sell for anything over $100$100 . she is able to sell it for $125$125 . claire has a producer surplus. consumer surplus. claire's surplus: $ roy is willing to pay $2.50 for a sports drink. he puts $5.00 into the vending machine and pushes the button for the sports drink without noticing that the price has increased to $2.75 until he counts the change he gets back. roy has a consumer surplus. producer surplus. roy's surplus: $