A can of water and milk mixture contains 60% milk. A part of this mixture is replaced by another mixture containing 50% milk and the percentage of milk was found to be 52%. The quantity of mixture replaced is:

A

$$\frac{1}{5}$$

B

$$\frac{3}{5}$$

C

$$\frac{4}{5}$$

D

$$\frac{2}{5}$$