F2: A toy manufacturer uses 50,190 rubber wheels per year for its popular dump truck series. The firm makes its own wheels, which it can produce at a rate of 700 per day. The toy trucks are assembled uniformly over the entire year. Carrying cost is $1.90 per wheel per year. Setup cost for a production run is $42. The firm operates 239 days per year. Determine the following:
a. Optimal run size (Round your answer to a whole number, following normal rules of rounding.)