A milkman bought 45 litres of milk and mixed 15 litres of water in it. If the price per litre of the mixture becomes ₹50, then what is the cost price of the milk per litre? (water is available free of cost)

A

₹$$33\frac{2}{3}$$

B

₹$$66\frac{2}{3}$$

C

₹$$34\frac{2}{3}$$

D

₹$$61\frac{2}{3}$$