Variable cells

Cell	Name	Final Value	Reduced Cost	Objective Coefficient	Allowable Increase	Allowable Decrease
$B$6	Activity 1	3	0	30	23	17
$C$6	Activity 2	6	0	40	50	10
$D$6	Activity 3	0	7	20	7	1E+30

Constraints

Cell	Name	Final Value	Shadow Price	Constraint R.H. Side	Allowable Increase	Allowable Decrease
$E$2	Resource A	20	7.78	20	10	12.5
$E$3	Resource B	30	6	30	50	10
$E$4	Resource C	18	0	40	1E+30	22

If the right-hand side of Resource B changes to 10, then:

A)	the original solution remains optimal.

B)	the problem must be resolved to find the optimal solution.

C)	the shadow price is not valid.

D)	the shadow price is valid.

E)	None of the choices is correct.