Outline a Proof of the Following Statement by Writing the "Starting

question 4

Essay

Outline a proof of the following statement by writing the "starting point" and the "conclusion to be shown" in a proof of the statement.
$\forall \text { real numbers } r \text { and } s \text {, if } r \text { and } s \text { are rational then } r - s \text { is rational. }$
That is, complete the sentences below. Proof: Suppose______
We must show that__________

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Definitions:

Goodwill

An intangible asset that arises when a company acquires another company for a price higher than the fair value of its net identifiable assets and liabilities.

Shareholders' Equity

The residual interest in the assets of a company after deducting its liabilities, representing the ownership interest of shareholders.

Gross Margin

The difference between revenue and the cost of goods sold, divided by revenue, expressed as a percentage. It shows the percentage of revenue that exceeds the cost of goods sold.

Consolidated Inventory

involves aggregating the inventories of a parent company and its subsidiaries, presenting them as a single inventory balance in the consolidated financial statements.