Which of the following is/are solution of the LPP?
\[
\text{Min }Z=12x+9y
\]
Subject to
\[
x+2y\leq 40,\quad 3x+y\geq 30,\quad 4x+3y\geq 60,\quad x,y\geq 0
\]
A. \((15,0)\), B. \((40,0)\), C. \((4,18)\), D. \((6,12)\), E. \((10.5,6)\).
Show Hint
For LPP optimum questions, substitute each given point in the objective function and compare the values.