Adjustments to net income-indirect method Lighthouse Corporation's accumulated depreciation-equipment account increased by $11,220 while $4,400 of patent amortization was recognized between balance sheet dates. There were no purchases or sales of depreciable or intangible assets during the year. In addition, the income statement showed a gain of $24,150 from the sale of investments. This information has been collected in the Microsoft Excel Online file. Open the spreadsheet, perform the required analysis, and input your answers in the question below