Ashton Auto Place is a car dealer for new as well as used cars of all makes. It uses computerized Transaction Processing System (TPS) to process car sale transactions. Whenever Salesperson sells a Car, the Salesperson enters sales data (which includes customer information, details of the car sold, and sales information) into the TPS. The system prints sales invoice for the customer, daily sales statement for each Salesperson, and prints reports for management. Using the above described business scenario do following: (a). Draw the context-level Data Flow Diagram (DFD) for the TPS
(b). Identify the entities for which system need to save data into database
Then draw entity relationship diagram (ERD). using MS word

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i would first let him be aware that a cover letter is official and confidential and it requires a proper formatting so that the employer doesn't have hard time when going through it. he should write it in paragraphs of about two to four sentences and use proper grammar a , spelling and proper punctuation. i will also advice him not to be emotional and not also to use images.then base his attention to the details of the job described and not other things. that is he be specific to the responsibilities and to the employers requirements. on this he should make sure that the letter reflects how good he is for the requirements detailed by the employer

the letter should not be too long nor too short.