Keith Shoe Stores carries a basic black dress shoe for men that sells at an annual demand of $2000$ pairs. Keith's current buying policy

is to order $500$ pairs each time an order is placed. An order costs Keith $$30$ to place. The annual carrying cost for each pair over a one

year period is $20\%$ of the price of a pair that Keith pays. At the order quantity of $500$ pairs, Keith pays the lowest possible unit price

of $$28$ per pair that the supplier could offer. Other quantity discounts offered by the supplier are given in the following table.

If Keith is willing to pay a unit price of $$30\mathrm{.}00,$ determine the total, including the purchase, carrying and

ordering, cost.

$60900\mathrm{.}00$

$61100\mathrm{.}00$

$60848\mathrm{.}53($incorrect$)$

$60898\mathrm{.}51$

None of the above