A kitchen installer uses a mean of 165 boxes of door handles per day with a standard deviation of 25. The handles cost $129 per box plus $1080 per delivery. The storage space costs $0.16 per box per day. The installer normally orders handles every 14 days and they take 3 to be delivered. The installer aims for a service cycle level of 0.8. How many boxes of door handles should be ordered if there are 798 boxes in storage