Task $1$: Consider the simulation results available in the accompanying Excel file and answer the following questions: $($Answer in one to two sentences.$)$

$-$ Why do you think each position $($Retailer$,$ Distributor, Warehouse, and Manufacturer$)$ ordered more units than the final customer $($overall$)?$

$-$ Why were the ordered quantities not received at the retailer and distributor for several weeks?

$-$ What would have happened if the simulation ran for another $10$ to $15$ weeks?

$[7$ marks$]$

Task $2$: A packaging machine experienced downtime due to the following instances over the last month:

Construct a pareto chart of the data and determine the percentage of the total instances represented by the two most common reasons. $($You can create a pareto chart using excel or by hand.$)?$

$[2$ Marks$]$