Question 1 [4pts]. Interpret and explain the use case diagram in Figure 1. Explain the various roles of those using the system and what functions each role requires. Explain the relationships and how the use cases are related to each other. Enter new inventory item Purchasing clerk Enter receipt of inventory Ship items includes Shipping clerk wincludes 0,0,0 Update quantity on hand includes Receiving dock clerk Enter a return Figure 1. A use case diagram for the inventory system