function AddTimeCredit($merchantAutobillId, $daysRemaining)
{
    $autoBill = new AutoBill();
    $autoBill->setMerchantAutoBillId($merchantAutobillId);
    $timeInterval = new TimeInterval();
    $timeInterval->setDays($daysRemaining);
    $timeInterval->setDescription("Early Pay on NonRecurring Billing");
    $timeInterval->setReason("Credit for July");
    $cr = new Credit();
    $cr->setTimeIntervals(array($timeInterval));
    $response = $autoBill->grantCredit($cr, '');
    logCall($response, 'AutoBill::GrantCredit', $daysRemaining);
}