Tidewater Company uses the product cost concept of applying the cost-plus approach to product pricing. The cost and expenses of producing and selling 50,000 units of Product K are as follows: Variable costs: Direct materials $5.00 Direct labor 8.50 Factory overhead 2.50 Selling and administrative expenses 1.00 Total $17.00 Fixed costs: Factory overhead $50,000 Selling and administrative expenses 34,000 Tidewater desires a profit equal to a 10% rate of return on invested assets of $1,285,000.