Borges Machine Shop, Inc., has a 1-year contract for the production of

225 comma 000225,000

gear housings for a new off-road vehicle. Owner Luis Borges hopes the contract will be extended and the volume increased next year. Borges has developed costs for three alternatives. They are general-purpose equipment (GPE), flexible manufacturing system (FMS), and expensive, but efficient, dedicated machine (DM). The cost data follow:

	General-Purpose Equipment (GPE)	Flexible Manufacturing System (FMS)	Dedicated Machine (DM)
Annual contracted units	225 comma 000225,000	225 comma 000225,000	225 comma 000225,000
Annual fixed cost	$ 150 comma 000$150,000	$ 200 comma 000$200,000	$ 480 comma 000$480,000
Per unit variable cost	$ 15.00$15.00	$ 14.00$14.00	$ 13.00$13.00

The option GPE is best when the contracted volume is below

nothing

units (enter your response as a whole number).