Draw an erd for the following user requirements. each computer manufactured in dell inc. has a unique serial number, cpu speed, memorysize, price, and dvd speed. each computer must belong to one warranty policy type, while eachwarranty policy type covers many computers. every computer has to have a warranty, while we mayhave some warranty policy types not covering any computer at all. for each warranty policy type, we want to record its unique policy id, name, and the length of coverage. computers are assembledby assembly workers. we want to keep the following information about assembly line workers: name (including first and last name), a unique eid, phone number (s), and birth date. one workercan assemble many computers, and one computer can be assembled by many workers together. acomputer has to be assembled by at least a worker, and a worker has to assemble at least onecomputer. for the assembling activity, we need to record how many hours each worker spent oneach computer.