Venus has agreed to sell her couch to Jamil. Privately, Venus knows that her willingness to sell is $200. Privately, Jamil knows that his willingness to pay is $400. If the two are negotiating a price, a lower price will increase surplus and total surplus will . Group of answer choices

Jamil's producer surplus; be unchanged

Venus' consumer surplus, be unchanged

Jamil's producer surplus; increase

Venus' consumer surplus; decrease