Inventory movements for product X during the last quarter were as follows:
January Purchases 10 items at $19.80 each
February Sales 10 items at $30 each
March Purchases 20 items at $24.50
Sales 5 items at $30 each
Opening inventory at 1 January was 6 items valued at $15 each.
What would the Gross profit be for the quarter using the weighted average cost method?