Simplify the rational expression:

(5a^2*b^2*c^-3)/(2a^3) divided by (15a^3*b^-2*c/(b^-5*c^3)

A          1 / (3a^3*b^2*c^2)

B          1 / (6a^4*b*c)

C          1 / (6a^6*b^2*c^2)

D          1 / (2a^3*b*c)