WestRoll's is a small local producer of specialty pepperoni rolls sold at retailers. The company currently uses AllGood Distributors to deliver the product to retailers. They source dry yeast, olive oil, and all-purpose flour from Sam's Club. The pepperoni comes from the food producer MamaMia in Italy through the company GetItDone Importer. Mozzarella comes from June Farm in West Virginia through Spruce Wholesaler. Customers can purchase the products at either Trader Joe's or WholeFoods. WestRoll's has hired you to help improve their supply chain. Map WestRoll's supply chain flow starting upstream and using only the information provided, and select the best option below: Multiple Choice AllGood is located upstream the supply chain WestRoll's is the first-tier supplier TraderJoe's and WholeFoods are second-tier suppliers TraderJoe's and WholeFoods are first-tier suppliers MamaMia and June Farm are fourth-tier suppliers Sam's and Spruce are first-tier suppliers