Develop an appropriate forecast model for the bookstore manager to use to forecast computer demand for the next fall semester. Show work for the following forecast techniques:

A$.$ Moving average $($n $=3)$

B$.$ Moving average $($n $=5)$

C$.$ Weighted Moving average $(50\%,30\%,20\%,$ starting with most recent period$)$

D$.$ Linear trend line

E$.$ Exponential smoothing $($alpha $=\mathrm{.}3$