$pricing = array (
    array ('frequency' => "one", 'beds' => 1 , 'baths' => 1 , 'price' => 90),
    array ('frequency' => "one", 'beds' => 1 , 'baths' => 1.5 , 'price' => 113),
    array ('frequency' => "one", 'beds' => 1 , 'baths' => 2 , 'price' => 113),
    array ('frequency' => "one", 'beds' => 2 , 'baths' => 2.5 , 'price' => 135),
    array ('frequency' => "weekly", 'beds' => 3 , 'baths' => 3 , 'price' => 135),
    array ('frequency' => "weekly", 'beds' => 3 , 'baths' => 3.5 , 'price' => 158),
    array ('frequency' => "biweekly", 'beds' => 4 , 'baths' => 4 , 'price' => 158),
    array ('frequency' => "biweekly", 'beds' => 4 , 'baths' => 4.5 , 'price' => 180),
    array ('frequency' => "monthly", 'beds' => 5 , 'baths' => 5 , 'price' => 180),
    array ('frequency' => "monthly", 'beds' => 5 , 'baths' => 5.5 , 'price' => 203),
    array ('frequency' => "monthly", 'beds' => 6 , 'baths' => 6 , 'price' => 203)
);

function ajax_update_price() {

$selected_bed_id = $_POST['bedID'];
$selected_bath_id = $_POST['bathID'];
$selected_frequency_id = $_POST['frequencyID'];

//echo $selected_frequency_id;

    foreach( $pricing as $element ) {
        if( $element['frequency'] == $selected_frequency_id && $element['beds'] == $selected_bed_id && $element['baths'] == $selected_bath_id) {
             echo $element['price'];
             break;
    }
 }

    wp_die();
}