Please read the short case on page $501$ of your text titled, "Eight Glasses a Day $($EGAD$)"$ and respond to the following questions:

Answer the following questions on the case:

$1.$ The objective is to chose the plan that has the lowest cost. Calculate the cost for each plan?

$2.$ Which plan would you recommend and why?

$3.$ Presumably, information about the new line has been shared with supply chain partners. Explain what information should be shared with various partners, and why sharing that information is important.