A 32-bit computer has two selector channels and one multiplexor channel. Each selector channel supports two magnetic disks and two magnetic tape units. The multiplexor channel has two-line printers, two card readers, and five VDT terminals connected to it. Assume the following transfer rates.

Disk drive 700 Kbytes/s

Magnetic tape drive 200 Kbytes

Line printer 6.6 Kbytes/s

Card Reader 1.2 Kbytes/s

VDT 1 Kbytes/s

Estimate the maximum aggregate I/O transfer rate in this system.