When solving the following model by the graphical method:

Max Z = 200X1 + 180X2

s.a

2X1 + 7X2 14

5X1 + 2X2 10

X1, X2 0

Select one:

a. The model has only one solution

b. The model has an infinite solution

c. The model has multiple solutions

d. The solution is (3, 5)

e. The minimization solution is the same as the maximization solution