For the given circuit the breakdown voltage of Zener diode is $\mathbf { V } _ { \mathbf { 7 } } = \mathbf { 5 }$ volts. And it can with stand maximum circuit of $\mathbf { I } _ { \mathbf { Z } } = \mathbf { 5 ~ m A }$. Find the value of R .\
(A) $5 / 3 \mathrm { k } \Omega$\
(B) $14 / 3 \mathrm { k } \Omega$\
(C) $8 \mathrm { k } \Omega$\
(D) $10 / 3 \mathrm { k } \Omega$