$2$ weeks is $4\%.$ Such a total shutdown would cost the company approximately $$$$450$ comma $000.$ He estimates the$$ "unique$-$event" risk for any of the suppliers to be $5\%.$ Assuming that the marginal cost of managing an additional supplier is $$$$14$ comma $800$ per$$ year, how many suppliers should Witt Input Devices$$ use? Assume that up to three nearly identical local suppliers are available.

Part $2$

Find the EMV for alternatives using$1,2,$ or $3$ suppliers.