Consider the following linear program. Max 1A + 28 s.t. 1A S 8 1B 5 7 2A + 2B = 18 A, B 2 0 (a) Show the feasible region. B 10- 10/ 10- 8 8 8 6 6 6 4 4 4 2 2 2 O 2 A 4 6 8 10 A AO 2 4 6 8 10 A AO 2 4 6 8 10B 10/ 8 6 4 2 A O 2 4 6 8 10 (b) What are the extreme points of the feasible region? smaller x-value (A, B) = 2 X larger x-value (A, B) = (c) Find the optimal solution using the graphical procedure. (A, B) =