7. points) A company has a $10,000 machine with a 10-year useful life and no salvage. The company decides to extend the useful life to 12 years. Describe the impact on the SCF cause by the company extending the useful life: 8. (6 points) is an increase in Accounts Payable a source or use of cash? 9. (6 points) is a decrease in Accounts Receivable a source or use of cash? 10.6 points) World Com fraudulently capitalized "line costs" that should have been immediately expensed. As a result of the capitalization, were WorldCom's assets overstated or understated