Part 1. IncomeGross receipts or sales- Returns and allowances- Cost of goods sold = Gross profit+ federal/ state gasoline tax credit or refund Part 2. ExpenseAdvertisingcar and truck expensescommissions and feescontractor laborDepletionDepreciation and sec 179 exp(Qualified real property improvement)Employee benefit programsinsurance(other than health)interest+mortgage(paid to banks)legal and p..