Assignment:
The minimum value of z = 5x + 15y, subject to
4x + 3y > 72
6x + 10y < 174
x > 0, y > 0 occurs at:
A. (0, 17.4)
B. (9, 12)
C. (18, 0)
D. (29,0)
Provide complete and step by step solution for the question and show calculations and use formulas.