Dancer Co$.$ paid $$12,000$ for one year of insurance on $\frac{7}{3}\frac{?}{Y1}.$ The insurance coverage begins on $\frac{9}{1}\frac{?}{M1}.$ Make the $\frac{7}{3}\frac{?}{Y1}$ and $\frac{12}{31}\frac{?}{Y1\text{J}\text{E}\text{s}},$ assuming no other insurance JE's were made before year$-$end.