((Good luck trying to reverse-engineer the formula I used to adjust the prices based on diplo checks.))
You spend an afternoon shopping. General stores, a shop owned by a half-elf wizard in Rego Scripa and finally an upper-class blacksmith's shop in Rego Pena for the masterwork gear.
You manage to haggle rather well, with everyone suggesting prices and pointing out facts favouring your purchases regarding the inspected merchandise. However, perhaps due to being tired after an already long day, at the Blacksmith's you all attempt to get a bulk discount. Even though Ria attempts to calm the man down, he seems somewhat annoyed with you. Eventually you agree to a bulk price for Claudio's gear.
Sold:
GS:
Longsword
Light Steel Shield
sold for 17gp
Niggly:
Leather Armor
sold for 6gp
Bought:
Mastadi:
Scroll of Peacebond
Scroll of Frostbite
Scroll of Obscuring Mist
Scroll of Summon Monster I
bought for 94gp
jumpluff:
Light Steel Shield (6 lb)
Healer's Kit (1 lb)
bought for 56gp
Niggly:
Studded Leather Armor (20 lb)
bought for 24gp
GS:
Mwk Longsword (315gp)
Spiked Light Steel Shield (11 lb)
Backpack, common (2 lb)
Ladder, folding (16 lb)
Grappling hook (4 lb)
Crowbar (5 lb)
Rope, hemp 50 ft (10 lb)
Trail rations, 1 day (1 lb)
bought for 517gp
After subtracting sold item gp gain from the total price, this shopping trip cost you 691gp. Thus your stash has 132.63gp stored. This was assuming you pooled your money. If you didn't, tell so :)
Nerisella manages to learn four new spells from the scrolls. You curiously watch her burn the scrolls and carefully collect the ashes for her bird to consume.