Farhan and Aman are going from Delhi to Haryana. The difference and sum of Their speeds are 40 km/hour and 60 km/hour respectively. If in a race Farhan can finish 8 minutes earlier than Aman, then find the distance they both should cover.

A

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

B

$$\frac{8}{3}$$ km

C

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

D

$$\frac{3}{8}$$ km