Fisk Corporation is trying to improve its inventory control system and has installed an online computer at its retail stores. Fisk anticipates sales of $49,000$ units per year, an ordering cost of $$8$ per order, and carrying costs of $$1\mathrm{.}60$ per unit.

a$.$ What is the economic ordering quantity?

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

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

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