State University must purchase 1700 computers from three vendors. Vendor 1 charges $500 per computer plus a total delivery charge of $5,000. Vendor 2 charges $350 per computer plus a total delivery charge of $4,000. Vendor 3 charges $250 per computer plus a total delivery charge of $6,000. Vendor 1 will sell the university at most +600 computers, vendor 2, at most 1100, and vendor 3, at most 700. The minimum order from a vendor is 200 computers. Determine how to minimize the cost of purchasing the needed computers.