$q,10.$ What are the maximum and minimum values for $y=28(1\mathrm{.}21)$ on the interval $0x12?$

a$.275\mathrm{.}8$ and $0$

c$.249\mathrm{.}7$ and $28$

b$.275\mathrm{.}8$ and $28$

d$.188\mathrm{.}4$ and $28$