Zephyr Apparels is a clothing retailer. Unit costs associated with one of its products, Product DCT121, are as follows: Direct materials $160 Direct manufacturing labor Variable manufacturing overhead Fixed manufacturing overhe ad Sales commissione (2% of sales) 30 75 34 10 Administrative salaries 24 Total $333 What are the indirect nonmanufacturing variable costs per unit associated with Product DCT121? O $309 O $190 O $10 O $34