$1.(4$pts$)$ The subnet mask $255\mathrm{.}255\mathrm{.}255\mathrm{.}0$ is applied to a packet with the following IP addresses. Which subnet is the packet sent to$?$

a$.10\mathrm{.}20\mathrm{.}35\mathrm{.}12$ Enter answer here

b$.10\mathrm{.}20\mathrm{.}35\mathrm{.}3$ Enter answer here

c$.10\mathrm{.}50\mathrm{.}35\mathrm{.}6$ Enter answer here

d$.192\mathrm{.}168\mathrm{.}12\mathrm{.}8$ Enter answer here