A bank has the network block 192.168.10.0/24. The IT manager wants to divide this into 4 equal subnets. (a) How many bits do you need to borrow to make 4 subnets? (b) What is the new Subnet Mark in dotted-decimal format? (c) Write down the Network Address, the First Usable IP, and the Broadcast Address for the second subnet created. Show your calculation.