Borden Company paid cash to purchase two identical inventory items. The first purchase cost $18.00 cash and the second cost $19.00 cash. Borden sold one inventory item for $30.00 cash. Based on this information alone: 1. cash flow from operating activities is $11.50 assuming a weighted average cost flow. 2. cash flow from operating activities is $12.00 assuming a FIFO cost flow. 3. cash flow from operating activities is $11.00 assuming a LIFO cost flow. 4. the amount of cash flow from operating activities is not affected by the cost flow method