Suppose within your Web browser you click on a link to obtain a Web page, and the Web page is consisting of one HTML text with eight referenced objects. Let RTT$0$denote the RTT between the local host and the server containing the object, the link transmission bandwidth is R$,$ and the HTML text file size is L$0$ and the reference objects have a size of L$1,$ L$2,$ L$3,,$ L$8,$ respectively. How much time elapses from when the client clicks on the link until the client receives the object in the following scenarios?a$.(20$ points$)$ Non$-$persistent HTTP with no parallel TCP connections?b$.(20$ points$)$ Non$-$persistent HTTP with the browser configured for $9$ parallel connections?c$.(20$ points$)$ Persistent HTTP with no parallel TCP connection?d$.(20$ points$)$ Persistent HTTP with the browser configured for $9$ parallel connections?