Chemco Enterprises is the manufacturer of Ultra-Dry, a hydrophobic coating that will waterproof anything. Overa 5-year period the costs associated with the pilot test product line were as follows:...

Chemco Enterprises is the manufacturer of Ultra-Dry, a hydrophobic coating that will waterproof anything. Overa 5-year period the costs associated with the pilot test product line were as follows: first cost of $43,000 and annual costs of $18,000. Annual revenue was $27000 and used equipment was salvaged for $4,000. What rate of return did the company make on this product?
The rate of return the company made on the product is_______%