Where do you go for Sumiko Buckets quest HorseIsle?

Talk to Sumiko Stallman, the owner of the Appleton livery. She needs four stable buckets and four feed bins. Talk to Harry Holterz, owner of Shelton's barn. He will sell you two tubs for $100 each. Talk to Dwight Staebulman, owner of Carrotton's barn. He'll give you one bucket and one bin. Talk to Anna Hayward at Wington's barn. She'll give you three buckets. Talk to Donna Hayes, owner of Crystalton's livery. She'll sell you a feed tub for $150. Go back to Sumiko and give her the tubs and buckets.