Suppose that you are the purchasing manager for a software company, and need to recommend how to source for the following item. Computer hardware to support your organization's operations. For this item, what will be your sourcing recommendations in terms of $($a$)$ make vs$.$ buy, $($b$)$ domestic vs global sourcing, $($c$)$ sole vs multiple suppliers, and $($d$)$ preferred method of payment to suppliers? Briefly state your rationale for these recommendations.