The Copy Center can purchase a new copier for $15,000. It would last for 3 years and have a salvage value of $3,000. Depreciation cost would be $4,000 per year and cash operating costs would equal $1,000 per year. The same copier could be leased for $6,500 per year. Using a discount rate of 7%, and the tables in Supplement 11A, it is best to (buy/lease) the copier because the difference in cost is___________ $ .