3.a) Over the past 5 weeks, demand for wine at Winston's Winery has been 1200, 1300, 1700, 1900, and 1100 bottles. Winston has placed weekly orders for glass bottles of 1100, 2100, 3000, 2000, and 800 units.

i.What is the variance of demand for Winston's Winery?

ii.What is the variance of orders from Winston's Winery for glass bottles?

iii.What is the bullwhip measure for glass bottles for Winston's Winery?

iv.Is Winston's Winery providing an amplifying or smoothing effect?