the smallest normal stress and the largest shearing stress are

Question

At a point in a body,$\epsilon _{1} = 0.0004$ and $\epsilon _{2} = -0.00012$. If $E = 2\times 10^{5}Mpa$ and $\mu = 0.3$ the smallest normal stress and the largest shearing stress are  

(a) 40 MPa and 40 MPa

(b) 0 MPa and 40 MPa

(c) 80 MPa and 0 MPa

(d) 0 MPa and 80 MPa