The Young’s modulus and the modulus of rigidity for a material are given as $$1.2 \times 10^5$$ N/mm$$^2$$ and $$4.8 \times 10^4$$ N/mm$$^2$$ respectively. The value of Bulk modulus for this material should be equal to _______________

A

$$3.6 \times 10^4$$ N/mm$$^2$$

B

$$6.0 \times 10^4$$ N/mm$$^2$$

C

$$7.2 \times 10^4$$ N/mm$$^2$$

D

$$8.0 \times 10^4$$ N/mm$$^2$$