A shopkeeper recorded his daily sales (in $\text{₹}$) for a week: Monday : $1200$, Tuesday : $1500$, Wednesday : $900$, Thursday : $1800$, Friday : $2100$, Saturday : $2400$, Sunday : $600$. What are the total sales for the week?

1. A
   11,000
2. B
   10,800
3. C
   10,500
4. D
   10,200