Gold Purchase

public function getInterestRate($loan, $store_id) {

$sql = "SELECT interest_rate

FROM gold_interest_bands

WHERE value_from <= ?

AND value_to >= ?

AND store_id = ?";

$params = array("ddi",$loan,$loan,$store_id);

$res = $this->db->cleanQueryArr($sql,$params);

if($this->db->getLastnumrows() > 0) {

return $res[0]['interest_rate'];

} else {

return false;

}

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