The selling price of an article is $\text{Rs. }1,500$, and the loss incurred is $\text{Rs. }300$. Find the cost price and the loss percentage.

1. A
   Cost Price: $\text{Rs. }1,950$, Loss $\%$: $14.67\%$
2. B
   Cost Price: $\text{Rs. }1,850$, Loss $\%$: $15.58\%$
3. C
   Cost Price: $\text{Rs. }1,900$, Loss $\%$: $12.67\%$
4. D
   Cost Price: $\text{Rs. }1,800$, Loss $\%$: $16.67\%$