Net sales for the year were $400,000 and cost of goods sold was $228,000 for the company's existing products. A new product is presently under development and has an expected selling price of not more than $55 per unit in order to remain competitive with similar products in the marketplace. Required: a. Calculate gross profit and the gross profit ratio for the year. % % % b. What is the maximum cost per unit that can be incurred to manufacture the new product so that the product can be priced competitively and will not result in a reduction to the company's gross profit ratio? (Do not round intermediate calculations. Round your final answer to 2 decimal places.) Maximum manufacturing cost per unit