A production system has a burden rate of $120 per hour. The setup time for a machined product is 75 minutes, and the system can produce a finished part every 37 minutes. For a lot size of 500 parts, determine the total cost per part? (Enter your answer without the dollar $ sign.) A manufacturer reports that it costs $180,000 annually to produce a product und the average annual inventory investment for the product is $3,000. Find the number of inventory turns for the product, (Enter your answer without the dollar $ sign.)