private function buildQuote(Equipment $equipment, Rate $rate, RentalPeriod $requestedPeriod)
{
/** @var RentalPeriod $requestedPeriod */
/** @var Rate $rate */
$quantity = ceil($requestedPeriod->getDayCount() / $rate->getUnitDays());
$quote = new RateQuote($equipment);
$quote->add(RateQuoteLineItem::make($rate, $quantity));
return $quote;
}