Develop an E-R model (E-R Diagram) for the application belowDatabase RequirementsLogin

Information about the users of the system must be maintained. There will be 4 types of users with different privileges (admin, sales, HR, engineering). Each user will have the following fields

User ID
Privilege
LoginTime
LogoutTime
Engineering includes employee designing the product, manufacturing and all employee interested in tracking inventory.

Inventory
Id
Cost

Determine the time of the day and month of the year at which the peak sensible cooling load occurs for a top floor, north-eastern corner room of an office building in durban for the following conditions: floor area: 8 x 8 x 3 m east and north walls: 115 mm face brick (outside), 20 mm air space, 115 mm ordinary brick (inside) with 15 mm plaster roof construction: suspended plasterboard ceiling, 450 mm air space, 150 mm concrete, 75mm screed, waterproofing no heat transfer across other surfaces window area 3x 1,5 m high in north wall only. ordinary glass with venetian blinds. lights and occupants : from 07: 00 to 18: 00 average light density: 25 w/m2 number of occupants : 5 seated, light office work room temperature 24°c