Problem 4 You are given a class B (198.16.0.0) and you are asked to allocate IP addresses to 4 different companies. The first company requested 4000 IP addresses, the sccond company requested 2000 IP addresses, the third company requested 4000 IP addresses and the forth company requested 8000 IP addresses. All requsts are received in that order. How would you allocate this class B across companies For each company, specify the starting address and the network number with the subnet mask.6 pts