Preparing a Statement of Cash Flows: A Comprehensive Problem without a Worksheet You are the controller for 21st Century Technologies. Your staff has prepared an income statement for the current year and has developed the following additional information by analyzing changes in the company's balance sheet accounts. Revenue: Net sales. Interest revenue. Gain on sales of marketable securities. Total revenue and gains Costs and expenses: Cost of goods sold Operating expenses (including depreciation of $150,000) Interest expense. Indime tax expense. Loss on sales of plant assets Total costs, expenses, and losses. 21ST CENTURY TECHNOLOGIES INCOME STATEMENT FOR THE YEAR ENDED DECEMBER 31, 2021 Net income....... $1,620,000 1,240,000 42,000 100,000 12,000 $3,200,000 40,000 34,000 $3,274,000 3,014,000 $ 260,000