1. For the next six months, Rushford Designs projects the following information (in units).

July Aug. Sept. Oct. Nov. Dec.

Retail demand 300 300 450 450 600 600

Dealer demand 600 750 900 1,050 1,200 1,350

Shop capacity 1,500 1,500 1,500 1,500 1,500 1,500

Painting capacity 1,050 1,050 1,050 1,800 1,800 1,800

Demand drives production for that month and cannot be carried over from one month to another. Retail customers are satisfied first. The number of dealer units that will be produced and sold in September is?