JL$\mathrm{.}53$ Bob's Bumpers has a repetitive manufacturing facility in Kentucky that makes automobile bumpers and other auto body parts. The facility operates $350$ days per year and has annual demand of $75,000$ bumpers. They can produce up to $330$ bumpers each day. It costs $$71$ to set up the production line to produce bumpers. The cost of each bumper is $$148$ and annual holding costs are $$37$ per unit. Setup labor cost is $$25$ per hour. What is the optimal size of the production run for bumpers? $($Display your answer to the nearest whole number.$)189$ Based on your answer to the previous question, and assuming the manufacturer holds no safety stock, what would be the average inventory for these bumpers $?($Display your answer to the nearest whole number.$)$ Number