Ayayai corporation makes a mechanical stuffed alligator that sings the Martin national anthem the following information is available for Ayayai corporation anticipated annual volum of 508000 units Direct materials 7 Direct labor 11 variable manufacturing overhead 17 fixed manufacturing overhead. total 3048000 variable selling and administrative expenses 16 fixed sling and administrative expenses total 1524000 the company has a desired ROI of 25% it has invested of 30480000 comute the total unit cost total cost per unit