Please show work

On January 1, JKR Shop had S600.000 of inventory at cost. In the first quarter of the year, it purchased 51.740.0 of merchandise, returned S24.600, and paid freight charges of S39.100 on purchased merchandise, terms FOB shipping point The company's gross profit averages 25%, and the store had 52.150.0 of net sales (at retail) in the first quarter of the year Use the gross profit method to estimate its cost of inventory at the end of the first quarter