Use inverse matrices to find the solution of the system of equations. 
Definitions:
Cash Receipts
The total amount of cash received by a business during a specified period.
Cash Flows
The net amount of cash and cash-equivalents being transferred into and out of a business, used to evaluate its financial health.
Operating Activities
Activities that are part of a company's primary business operations, such as selling goods and services.
Net Income
The total profit of a company after all expenses and taxes have been subtracted from revenue.
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