What is the freezing point of a solution that contains $12g$ of glucose $(C_6{H}_{12}{O}_6)$ in $50g$ of acetic acid $,$ melting point $=16\mathrm{.}6C,$ glucose $MW$:$180\mathrm{.}15$ g$/$mol$)$

a$)-1\mathrm{.}4**C$

b$)-31\mathrm{.}2C$

c$)16\mathrm{.}3C$

d$)8\mathrm{.}5C$

e$)11\mathrm{.}4C$