/**
* Returns profit margin in a percentage
*
* @return string
*/
public function getProfitMarginPercentage()
{
return FormatUtils::formatPercentage($this->getProfitMargin());
}
public function testFormatPercentage()
{
$percent = 0.4;
$percent = FormatUtils::formatPercentage($percent);
$this->assertEquals($percent, "40.00%");
}