Use the Simplex Method, Excel, or Another Technology to Find

Use the simplex method, Excel, or another technology to find the solution of the problem given below. Assume all variables are nonnegative. Maximize

A) Maximum is 212 at
)
B) Maximum is 268 at
)
C) Maximum is 179 at
)
D) Maximum is 231 at
)
E) Maximum is 216 at
)