Prepare an income statement $($from the adjusted trial balance in part $3)$ for the three months ended March $31,2022$kipped$500$kPrint$($a$)$ Use a single$-$step format. List all expenses without differentiating between selling expenses and general and administrative expenses.$($b$)$ Use a multiple$-$step format that begins with gross sales $($service revenues plus gross product sales$)$ and includes separate categories for net sales, cost of goods sold, selling expenses, and general and administrative expenses. Categorize the following accounts as selling expenses: Wages Expense, Mileage Expense, and Advertising Expense. Categorize the remaining expenses as general and administrative.