A hemispherical bowl is made of brass of $7 \; mm$ thickness . The inner radius of the bowl is $4.25\; cm$. The volume of the brass used is _____ $cm^3 (\pi =3.14)$

Question

$(A) 93.2 \;cm^3\\(B)\;90.2\;cm^3\\(C)\;186.4\;cm^3\\(D)\;180.4\;cm^3$