Host A is sending one packet to Host B with packet size (L) = 1 MBits. There are two Routers between the sending and receiving hosts. R1 is directly connected to host A, R2 is also directly connected to host B, and both R1 and R2 are directly connected. There are three links, and the transmission rate (R) for each link is 5 Mbps.

The transmission delays from Host A to Host B is [600] milliseconds.