and allows packets to be propagated at a

speed of

, while Link 2 has a

length

and allows packets to be propagated

at a speed of

. Link 1 has

transmission rate

and Link 2 has

transmission rate

with

and then it sends another packet

immediately

after it pushes all bits of P1 onto Link 1. When will Node C

receive the last bit of P2 in microseconds (us)? Round your

answer if needed.