Need help on understanding what I'm supposed to do on this question

2. We will develop a website for our department using Wolverton Model for budget estimation. Requirements: 100 lines for home pages. (Control) 200 lines for students' data management calculation (needs to read database) 150 lines for faculty and staff information (input/output personal information on the website) 100 lines for algorithm development for lab demo. What is the total cost for the website design? You can estimate the budget with average difficult level of coding