Mattress Warehouse, Which Uses the Perpetual Inventory System, Experienced the Following

Mattress Warehouse, which uses the perpetual inventory system, experienced the following events during December Year 1:
Issued common stock for cash.Borrowed money from the Star City Bank issuing a note payable.Purchased inventory on account, terms 2/10, n/30, FOB shipping point.Returned part of the merchandise purchased in event number 3.Paid shipping costs on merchandise purchased in event number 3.Sold merchandise for cash. Label the revenue recognition 6(a) and the expense recognition 6(b).Paid shipping costs to deliver goods sold in event number 6.Recorded the discount allowed in event number 3.Recorded the payment for goods purchased in event number 3.Accrued interest on the note payable issued in event number 2 (note is not due for several months).
Required:Identify each event as asset source (AS), asset use (AU), asset exchange (AE), or claims exchange (CE). Also explain how each event affects the financial statements by placing a + for increase, − for decrease, or NA for not affected under each of the components of the following statements model. If an element both increases and decreases, mark with "+−". Also, indicate in the cash flow column if the event would be recorded as an operating activity (OA), an investing activity (IA) or a financing activity (FA). In the cash flow column, use + to indicate a cash inflow and − to indicate a cash outflow. The first event is recorded as an example.