What are the principal stresses acting on this component?
a) σ₁ = 148.87 MPa, σ₂ = 66.13 MPa
b) σ₁ = 66.13 MPa, σ₂ = 148.87 MPa
c) σ₁ = 95.0 MPa, σ₂ = 120 MPa
d) σ₁ = 120 MPa, σ₂ = 95.0 MPa