Lokerup Alarms expects to sell $100,000$ door locks this year. Estimated costs per unit are $$1\mathrm{.}00$ for warehouse space, $$2\mathrm{.}50$ for material handling expenses, $$1\mathrm{.}25$ for interest costs and $$3\mathrm{.}00$ for other carrying costs. Ordering costs are estimated at $$38\mathrm{.}75$ per order.

o$.$ What is the economic ordering quantity?

Economic ordering quantity $($EOQ$)$ door locks

b$.$ How many orders will be placed during the year?

Number of orders

c$.$ What will the average inventory be$?$

Average inventory door locks

d$.$ What is the total cost of ordering and carrying inventory?

Total costs

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