PRACTICE Dependency resolution is an important component of maintaining the integrity of a relational database. Your assignment is to convert this non-normalized table into a set of four normalized tables, and draw an entity-relationship (ER) diagram with attributes, relationships, and cardinalities. Use the following business rules: 1. Each purchase order has exactly one vendor. 2. Each purchase order can have multiple items. Inventory +SKU +I1em Description +Purchase Order Number +Purchase Order Date +Purchase Price +Quamity Purchased +Vendor Number +Vendor Name +Vendor Address +Vendor Slate +Vendor ZIP Save your diagram as an image, and upload it to Dropbox on eCourseware. (lfyou use Draw.io, you should not upload an XMLfile ofyour diagram.)