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Winfield is a small city with a population of 2 2 , 0 0 0 . Until now, Winfield was served by a bus route

Winfield is a small city with a population of 22,000. Until now, Winfield was served by a bus route from a nearby city. The Winfield City Council has held a bond sale to fund the purchase of several buses to serve three routes in Winfield and neighboring areas. As the citys IT director, you have been asked to set up an information system for the new Transportation Authority. Assume that multiple buses will run on each route.Assignments1. Draw an ERD for the Winfield Public Transport Authority system. Indicate the cardinality. 3. For each of the entities identified, design tables and identify the possible candidate keys, theprimary key, a probable foreign key, and potential secondary keys. 4. Normalize your table up to 3NF. Show the normalization process.

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