<option value="[[+value]]" [[+selected]]>[[+value]] - [[+price]] - [[+total_price]] - [[+operation]]</option>

_msOptions.php

<?php
$msop2 = $modx->getService('msop2', 'msop2', $modx->getOption('msop2_core_path', null, $modx->getOption('core_path') . 'components/msop2/') . 'model/msop2/', $scriptProperties);
if (!($msop2 instanceof msop2)) return '';
$msop2Option = 0;
if(!$msop2Option = $modx->getObject('msop2Option', $name)) {
    $msop2Option = $msop2Option->get('id'); 
}
$miniShop2 = $modx->getService('minishop2');
/* @var array $scriptProperties */
/* @var pdoFetch $pdoFetch */
if (!$modx->loadClass('pdofetch', MODX_CORE_PATH . 'components/pdotools/model/pdotools/', false, true)) {return false;}
$pdoFetch = new pdoFetch($modx, $scriptProperties);

if (empty($product) && !empty($input)) {$product = $input;}
if (empty($selected)) {$selected = '';}
if (empty($outputSeparator)) {$outputSeparator = "\n";}
if ((empty($name) || $name == 'id') && !empty($options)) {$name = $options;}

$output = '';
$product = !empty($product) ? $modx->getObject('msProduct', $product) : $product = $modx->resource;
$productId = $product->get('id');
$productPrice = $product->get('price');
if (!($product instanceof msProduct)) {
	$output = 'This resource is not instance of msProduct class.';
}
elseif (!empty($name) && $options = $product->get($name)) {
	if (!is_array($options) || $options[0] == '') {
		$output = !empty($tplEmpty)
			? $pdoFetch->getChunk($tplEmpty, $scriptProperties)
			: '';
	}
	else {
		$rows = array();
		foreach ($options as $value) {
		    $pls = array();
		    $pls['price'] = 0;
		    $pls['total_price'] = 0;
		    $pls['operation'] = '';
		    $pls['percent'] = 0;
		    if ($price = $modx->getObject('msop2Price', array(
		        'product_id' => $productId,
		        'option' => $msop2Option,
		        'value' => $value
		    ))) {
		        $pls['price'] = $price->get('price');
		        $pls['operation'] = $price->get('operation');
		        switch ($pls['operation']) {
		            default:
		            case '1':
		                $pls['total_price'] = $pls['price'];
		                $pls['operation'] = '=';
		                break;
		            case '2':
		                $pls['total_price'] = $productPrice + $pls['price'];
		                $pls['operation'] = '+';
		                break;
		            case '3':
		                $pls['total_price'] = $productPrice - $pls['price'];
		                $pls['operation'] = '-';
		                break;
		        }
			}
		    $pls['price'] = $miniShop2->formatPrice($pls['price']);
		    $pls['total_price'] = $miniShop2->formatPrice($pls['total_price']);
		    $pls['value'] = $value;
		    $pls['selected'] = $value == $selected ? 'selected' : '';
			$rows[] = empty($tplRow) ? $value : $pdoFetch->getChunk($tplRow, $pls);
		}

		$rows = implode($outputSeparator, $rows);
		$output = empty($tplOuter)
			? $pdoFetch->getChunk('', array('name' => $name, 'rows' => $rows))
			: $pdoFetch->getChunk($tplOuter, array_merge($scriptProperties, array('name' => $name, 'rows' => $rows)));
	}
}

return $output;