The cost of the prototype is $ 750. The cost of the press form is $ 12,000 ($ 5,000, the front lid, $ 4.000 is the front cover for two places, $ 3,000 covers and hinges for three places). Form resource-300 thousand cycles. The cost of a set of parts is $ 3 at a circulation of 5,000. Two body parts from ABS plastic, three fixing parts from ABS plastic.