Hospitality Cost Control.

My teacher doesnt grade good and Imve found a few mistakes when shes grading our homework. Please help. I would appreciate it. Thank you

Problem 6 Prepare the operating activities section of the SCF for the Walkam Ristorante using the indirect method. Income Statement Sales Cost of sales Gross profit Depreciation Amortization Other expenses Operating income Gain on sale of investments Income before income taxes Income taxes Net income 20X2 $900,000 300,000 600,000 80,000 10,000 430,000 80,000 4,000 84,000 30,000 $ 54,000