1. NET SALE = SALES - ( SALES RETURN + SALES DISCOUNT) 2. NET PURCHASES = PURCHASES - (PURCHASES RETURN + PURCHASES DISCOUNT) 3. NET COST OF PURCHASES = NET PURCHASES + FREIGHT IN 4. COST OF GOODS AVAILABLE FOR SALE = BEGINNING INVENTORY + NET COST OF PURCHASES 5. COST OF GOOD SOLD = COST OF GOODS AVAILABLE FOR SALE - ENDING INVENTORY 6. GROSS PROFIT = NET SALES - COST OF GOODS SOLD 7. NET INCOME/NET LOSS = GROSS PROFIT - GENERAL & ADMINISTRATIVE EXPENSE - SELLING EXPENSE GENERAL FORMULA