The Bucks Grande exhibition baseball team plays 50 weeks each year and uses an average of 320 baseballs per week. The team orders baseballs from Coopers-Town Inc., a ball manufacturer noted for six-sigma level consistency and high product quality. The cost to order baseballs is $100 per order and the annual holding cost per ball is 36% of the purchase price. Coopers-Town's price structure is shown in the table below. a. How many baseballs should the team buy per order? The team should buy baseballs per order. (Enter your response rounded to the nearest whole number.)