question 191

Essay

$$\text { What happens if } C = 90 ^ { \circ } \text { when the law of cosines is applied in the form } c ^ { 2 } = a ^ { 2 } + b ^ { 2 } - 2 a b \cos C \text { ? }$$

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Definitions:

Average Cost Formula

A method used for inventory valuation, determining the cost of goods sold and ending inventory by calculating the weighted average of all purchases and manufacturing costs.

Periodic Inventory System

An accounting system that updates the inventory balance once at the end of the accounting period, using physical counts and purchase records.

Physical Count

The process of manually counting and verifying the amounts of inventory a company physically has in its possession.

Ownership

The legal right to possess, use, and control a tangible or intangible item.