Answer:
You have not given any options to chose from but seemingly the answer is Line Extension.
This happens when a company introduces additional items in the same product category under the same brand name such as new flavors, forms, colors, added ingredients, package sizes, etc..
Explanation:
In this case the stranger should disregard the contract.
The key piece of information in this question is that the purchaser is only fifteen years old. In order to enter into a contract both parties must be 18 years old. Since the signer in this case is not 18 the contract is not valid.
$275,000
257,000 Beginning Equity
+51,000 Net Income
+6,000 Investments from stockholders
=314,000 New total
-40,000 Minus dividends payed to stockholders
=275,000 Equals ending equity