pls solve those two questions

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. meverw nus on snsecunt 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 staff, which includes a Marager. The Manager is responsible for the day to-dyy running of a given branch. The data held on a menber of staff 5 tis 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, dialy rental cost status, and the names of the main actors and the direstor. The catalog number uniquely identifies each DVD. However, in most cases there are several copies of each DVD at a branch and the indvidual copies are identified using the DVD number. A DVD is given a category such as Action. Aduit. Chldren, Drama Horror, or Soi-F. The status indicates whether a specfic copy of a DVD is avaibble 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 daly renal and the dates the DVD is rented out and retumed. The DVD number is unique throughout the company