$10.($a$)$ A class C address of $198\mathrm{.}160\mathrm{.}12\mathrm{.}0/24$ has been allocated. Above network has the following requirements.$*$ Mumbai HQ $=50$ host addresses$*$ Jaipur HQ $=26$ host addresses$*$ Delhi HQ $=10$ host addresses$*$ Lucknow HQ $=10$ host addresses$*$ Three WAN links $=2$ host addresses $($each$)$Find the following for above network with the appropriate calculations :$($i Subnet address$($ii$)$ AddressRange $($First and Last address$)$