A single object hangs from two ropes. One of the ropes exerts a tension of $410\,\text{N}$ and makes an angle of $60^\circ$ with the horizontal. The other rope exerts a tension of $210\,\text{N}$ and makes an angle of $10^\circ$ with the horizontal. The object is balanced. What is the mass of the object?
- A$40\,\text{kg}$
- B$42\,\text{kg}$
- C$390\,\text{kg}$
- D$410\,\text{kg}$