Laura Sells Goods at a Gross Profit Margin of 40

Multiple Choice

Laura sells goods at a gross profit margin of 40%. Which of the following statements is true?

A) Goods sold for £900 will have cost Laura £642.80.
B) Goods sold for £900 will have cost Laura £562.50.
C) Goods sold for £900 will have cost Laura £540.
D) Goods sold for £900 will have cost Laura £360.