I would like to have an explanation

At the beginning of 2013, the Bradley Company had the following balances in its accounts: Cash $ 8,600 Inventory 13.000 Common stock 20.000 Retained earnings 6.600 During 2014. the company experienced the following events: 1. Purchased Inventory that cost $4,400 on account from Bivins Company under terms 1M0. moo. The merchandise was delivered FOB shipping point Freight costs of $190 were paid in cash. 2. Returned $400 of the inventory that it had purchased because the inventory was damaged in transit. The seller agreed to pay the return freight cost. 3. Paid the amount due on its account payable to Bivins Company within the cash discount period. 4. Sold inventory that had cost $6.000 for $11,000 on account, under terms 2f10, N45. 5. Received merchandise returned from a customer. The merchandise originally cost $800 and was sold to the customer for $1,450 cash. The customer was paid $1,450 cash for the returned merchandise. 6. Delivered goods FOB destination in Event 4. Freight costs of $120 were paid in cash. 7. Collected the amount due on the account receivable within the discount period. 3. Took a physical count indicating that $15,500 of inventory was on hand at the end of the accounting period. BRADLEY COMPANY Statement of Cash Flows For the Year Ended December 31, 2014 Cash flows from operating activities Net cash flow from operating activities 0 Cash flows from investing activities Cash flows from financing activities Net change in cash 0 Ending cash balance 0