Find the Value(s) of the Function, Subject to the System $Z=16 x+15 y+19$

Multiple Choice

Find the value(s) of the function, subject to the system of inequalities.
-Find the minimum of $Z=16 x+15 y+19$ subject to:
$x \geq 0, y \geq 0, x+y \geq 1$ .

A) 35
B) 50
C) 34
D) 19