【单选题】At the wholesale store you can buy an 8-pack of hot dogs for $1.55, a 20-pack for $3.05, and a 250-pack for $22.95. What is the greatest number of hot dogs you can buy at this store with $200?
【简答题】According to Hertz and Alfredsson, ____________ can perform activities such as pick and pack, warehousing, and distribution—the most basic functions of logistics。