need help figuring out the gross margin

During Yeat 1. Hardy Merchandising Company purchased $40.000 of inventory on account. Hardy sold invertory on account that cost $24,500 for $38,000. Cash payments on accounts payable were $22.000. There was $26,000 cash collected from accounts recelvable. Hardy also paid $5,100 cash for operating expenses. Assume that Hardy started the accounting period with $20,000 in both cash and common stock. Required a. Record the events in a horizontal statement model. In the Cash Flow column, use OA to designate operating activity. IA for Investment activity. FA for financing activity. or NC for net change in cash. If the element is not affected by the event, leave the cell blank. b. What is the balance of accounts recelvable at the end of Year 1 ? c. What is the balance of accounts payable at the end of Year 1? d. What are the amounts of gross margin and net income for Year 1 ? e. Determine the amount of net cash flow from operating activities. b. Accounts receivable c. Accounts payable d. Gross margin Net income e. Net cash flow from operating activities \begin{tabular}{|lr|} \hline$ & 12,000 \\ \hline$ & 18,000 \\ \hline$ & 8,400 \\ \hline$ & (1,100) \\ \hline \end{tabular}