Provide the theme summaries for the following conversation: 

Dave: How much did your boyfriend pay for his Ursus flat?
Dave: do you know?
Susie: I dont know exactly but I can ask
Dave: ask, will you?
Susie: ok
Dave: I need to know for orientation
Susie: ok
Dave: Tell me when you know
Dave: and how much did you pay for yours?
Dave: I'm signing the agreement today and I need to know if Im paying through the nose
Susie: How much are U payin?
Dave: 270 k
Susie: ok, but Wilanów and Ursus are different locations
Susie: How much per m2?
Dave: 7100. garage included
Susie: Not bad, considering Wilanów.
Susie: I paid 7500 per m2.
Dave: OK
Susie: But I paid a lot for the location
Susie: 7600 to be precise

Summary: 
Dave is signing the agreement today. David wants to find out about property prices in Ursus. Dave is paying 7100 per m2 in Wilanów. Susie paid 7600. 