indor Incorporated can purchase component J from $3$ potential suppliers. Supplier A

charges a fee of $$6\mathrm{.}25$ per component. Supplier B charges $$1400$ per order plus $$2\mathrm{.}00$

per component ordered. Supplier C charges $$4\mathrm{.}00$ per component, and requires the

buyer to pay for at least $300$ components $($even if the order size is less than $300)$