Build an Online Store

We are a start-up company which provide online study materials for school students. We need a dynamic web site developed using open source (LAMP web service solution stack+3 tier architecture). The current requirement are • Basic website (Home page, Registration, about us, contact us, site map etc.,) • Question Bank (Where users can add question and answers). Need action scripting o Fill in the blanks o Choose the best answer o Drop dropdown, check box etc., o Add images and videos - Should be fluid (able to move the images to any part of the question) Example : Question – Jack bought 2 pens for $3 and he need 3 to buy 3 more pens for the same price. How much he will pay in total. Now after typing this question we need to upload the image and move the image wherever we need in the question area. This should be stored in the database and retrieved later when the student retrieve it. • Student Page (where students can practice the questions/answers). Need bit of action scripting. Should track which question they have answered and their progress. • Student Performance Report (dynamic), payment reports, number of hits, usage report, dynamic certificate generation and send it to the parents. • Dynamic printing to pdf. Parents can choose the question types and then print the document in pdf and send as an email • Payment The web site should be kids friendly with nice animation and colour contrast. The web site should be engaging, collaborative and very interactive. The web site should responsive website (automatically responsive to different device or platform), search engine friendly, future proof, should include all the creative design elements in the website design. Please send me your reply with the duration for the delivery and cost for building this site. Please ensure in the subject you add freelancer so that the mail will be filtered correctly. Thanks,