pls solve both questions and pls just show the answers with no explaination

1. Construct ERD for a Grade Report Generation System. The Grade Report Generation System must generate grade sheets for the student. A sample grade sheet is given below. Analyze the data presented in the report and design ERD for the same. mevew mena on unneenur 2. Design ERD for the following. Read the following case study, which describes the data requirements for a DVD rental company, The DVD rental company has several branches throughout the United States The data held on each branch is the branch address made up of srreet city, state, and zp code, and the telephone number. Each branch is given a branch number, which is unique throughout the company, Each branch is allocated staft, which includes a Manager. The Manager is responsible for the dayto-day running of a given branch. The data held on a menber of staff s his or her name, position, and salary, Each member of staff is given a staff number, which is unique throughtout the company. Each branch has a stock of DVDs The data held on a DVD is the catalog number, DVD number. tite, category, disy rental, cost status, and the names of the main actors and the director. The catalog number uniquely identifies esch DVD. However, in most cases, there are several copies of each DVD at a branch and the individual copies are identified using the DVD number. A DVD is given a categary such as Action. Aduit Chldien, Drama Horror, or So.F. The status indicates whether a specific copy of a DVD is aviable for rent Before borrowing a DVD from the company, a customer must first regiter as a member of a local branch. The data held on a member is the first and last name, address, and the date that the member registered at a branch Each member is given a member number, which is unique throughout all branches of the company, Once regitered. a member is free to rent DVDs. up to a maximum of ten at any one time. The data held on each DVD rented is the rental number, the full name and number of the member, the DVD number, tite, and dally renal and the dates the DVD is rented out and retumed. The DVD number is unique throughout the company