please help? I'm stuck

Rockers Company expects to sell 6,500 units for $200 each for a total of $1,300,000 in January and 4,000 units for $225 each for a total of $900,000 in February. The company expects cost of goods sold to average 50% of sales revenue, and the company expects to sell 4,500 units in March for $200 each. Rockers' target ending inventory is $18,000 plus 50% of the next month's cost of goods sold. Prepare Rockers' inventory, purchases, and cost of goods sold budget for January and February. Inventory, Purchases, and Cost of Goods Sold Budget Two months Ended Januarv 31 and Fehruarv 28