Skinner's Fish Market buys fresh Boston bluefish daily for $4.20 per pound and sells it for $6 per pound. At the end of each business day, any remaining bluefish is sold to a producer of cat food for $3 per pound. Daily demand can be approximated by a normal distribution with a mean of 64 pounds and a standard deviation of 11 pounds. What is the optimal order quantity (stocking level)?Round your answer to 2 decimal places.