Can someone help with the part B

Flint Furniture Ltd. uses a perpetual inventory system and has a beginning inventory, as at June 1, of 520 bookcases at a cost of $126 each. During June, the company had the following purchases and sales of bookcases: Calculate Flint Furniture's gross profit and gross profit margin for the month of June. (Round gross profit margin to 1 decimal place, e.g. 15.1 and gross profit to the nearest whole dollar, e.g. 1525.) Gross profit $ Gross profit margin % Flint Furniture Ltd. uses a perpetual inventory system and has a beginning inventory, as at June 1, of 520 bookcases at a cost of $126 each. During June, the company had the following purchases and sales of bookcases: Calculate Flint Furniture's gross profit and gross profit margin for the month of June. (Round gross profit margin to 1 decimal place, e.g. 15.1 and gross profit to the nearest whole dollar, e.g. 1525.) Gross profit $ Gross profit margin %