course name: computer network please give TOO short answer

Suppose within your web browser you enter URL to accessing one Web Page. While you accessing web server, initial connection took one RTT and requesting object also took one RTT. In addition suppose this HTML file refer six objects on same server. How much time elapses with: Non-persistent HTTP connections and with Persistent HTTP connections? (Assume that four object are same size and required time for transferring one object is identified by DT