$1.)$ THI praduces a GPS device that is becoming popular in parts of Scandinavia. When Thaaruge produces one of these, a printed circuit board $($PCB$)$ is used and it is populated with several electronic components. Thaabugo determines that it needs about $16,500$ of this type of PCB each year. Demand is relatively constant throughout the year and the ordering cost is about $$20/$ order; the holding cost is $25\%$ of the price of each PCB$.$ Two companies are competing to become the dominant supplier of PCB$,$ and both have offered quantity discounts as shown in the following table.

REMEMBER TO EXPLICITLY WRITE THE FORMULAS USED AND THE VALUE FOR EACH VARIABLE.

Which of the two suppliers should be selected if Thaaruge, wishes to minimize total annual inventory costs? Explain.

$\backslash$table$[[\backslash$table$[[$Supplier A$-],[$Quantity$]],$Supplier A Price,$\backslash$table$[[$Supplier B$-],[$Quantity$]],$Supplier B Price$],[1-199,$$$38\mathrm{.}60,1-299,$$$38\mathrm{.}90$