Assuming a **perpetual inventory** system and using the weighted average method, the **weighted average unit **is determined as $11.44 after the October 22 purchase.

<h3>What is Weighted Average Cost (WAC)?</h3>

The **Weighted Average Cost (WAC) **method of** inventory valuation** in accounting uses a **weighted average **to establish the **COGS** and inventory levels.

The price of the products up for** grabs** is divided by the quantity of them in the weighted average cost technique.

The **WAC technique** is appropriate under both **GAAP** and IFRS accounting. Weighted Average Cost (WAC) Method Formula

<h3>Weighted Average Cost</h3>

Weighted Average Unit Costs = [360 units×$12 + (320-180) ×$10] / [360+(320-180)]units}

Weighted Average Unit Costs = $5720 / 500 units

Weighted Average Unit Costs = $11.44

Costs of goods that are offered for sale are calculated using beginning inventory **value plus acquisitions.**

Units available for sale are the number of units that can be sold by a company or the total number of units that are in its inventory.

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**Answer: its 15 i think i hope this helps**

**Explanation:**

As an example, the distance from Earth to the Sun is about 150,000,000,000 meters – a very large distance indeed. In scientific notation, the distance is written as 1.5 × 1011 m.