Help with this questions

Help with this questions

please write down the spicific steps of each questions please, thanks

1. Kelvin Shoe Stores carries a basic black dress shoe for men that sells

at a rate of 500 each quarter. Their current policy is to order 500 per

quarter, with a fixed cost of $30/order. The annual holding cost is

20% of the cost of items held. The following cost structure is

applicable:

Order Quantity

Price/pair

0-125

$35

126-225

34

226-350

33

351+

32

For a price of $35, the optimal order quantity (ignoring the price

breaks) is ___________. (4)

2. Redo #1 if they allow backordered items with a shortage cost of

$4/year.

Optimal order quantity = ___________. (4)