Evaluate. [tex]\frac{y}{3x}[/tex] -z for x = 3, y = 4, and z = 1

A. [tex]\frac{1}{3}[/tex]

B. [tex]\frac{5}{9}[/tex]

C. [tex]-\frac{1}{3}[/tex]

D. [tex]-\frac{5}{9}[/tex]