The demand for a small textile company follows an up and down pattern. The quarterly demand is forecasted as below for this company:

Quarter

Demand forecast

Fall

$8,000$

Winter

$7,000$

Spring

$10,000$

Summer

$15,000$

Use the following information for Level strategy:

Inventory carrying cost $=$ $$0\mathrm{.}4$ per unit per quarter

Regular production cost $=$ $$3\mathrm{.}5$ per unit

Given the above information, what is the cost of level strategy? Provide your answers as a number without units or commas. For example, if the answer is $$24,500$ then input $24500.$