To prepare an income statement, you will need to generate a trial balance report, calculate your revenue, determine the cost of goods sold, calculate the gross margin, include operating expenses, calculate your income, include income taxes, calculate net income and lastly finalize your income statement with business details and the reporting period.
If you can't find the time to make one from scratch, there are templates that can be used to help.
gross margin : the amount of money a company retains after incurring the direct costs associated with producing the goods it sells and the services it provides.
net income : net earnings, is calculated as sales minus cost of goods sold, selling, general and administrative expenses, operating expenses, depreciation, interest, taxes, and other expenses.