Bear Lake Seafood produces 542 boxes of seafood per day. There are 2 working shifts, each is 7- hour. The company employs 25 workers for each shift, and pays each worker $15 per hour. The utility cost for the company is $45 per working hour (no utility cost when the company is not in operation). What is the utility productivity (in terms of cost) for the seafood company? Numbers only, keep three decimals if not exact, either round up or down is ok