If the number of fan motors available for production is increased by $70,$ will the shadow price for that constraint change? Explain.

Yes, the shadow price will change because $70$ is greater than the allowable increase of $40.$

Yes, the shadow price will change because $70$ is greater than the allowable increase of $12.$ 

No$,$ the shadow price will not change because there is no upper limit to how much the constraint can increase.

No$,$ the shadow price will not change because $70$ is less than the allowable increase of $300.$