I have the following information but i need to identify the sources and uses of funds from the balance sheet below.

Not sure if you can help me with this. I have the following information but i need to identify the sources and uses of funds from the balance sheet below. Thanks

                                                                                   12/31/2011                 12/31/2012

           Cash                                                               $    25                        $     20

           Marketable Securities                                             0                              25

           Accounts Receivable                                          55                              85

           Inventories                                                          200                            200

           Accounts Payable                                                 60                             70

           Notes Payable                                                       25                              20

           Common Stock                                                   400                            300

           Retained Earnings                                                 90                              100